De, Uday Chand; Sardar, Arpan; Mofarreh, Fatemah Relativistic spacetimes admitting almost Schouten solitons. (English) Zbl 07793943 Int. J. Geom. Methods Mod. Phys. 20, No. 9, Article ID 2350147, 13 p. (2023). MSC: 53C25 53Z05 PDFBibTeX XMLCite \textit{U. C. De} et al., Int. J. Geom. Methods Mod. Phys. 20, No. 9, Article ID 2350147, 13 p. (2023; Zbl 07793943) Full Text: DOI
Chaubey, Sudhakar Kumar; De, Uday Chand; Suh, Young Jin Conformal vector field and gradient Einstein solitons on \(\eta\)-Einstein cosymplectic manifolds. (English) Zbl 07792350 Int. J. Geom. Methods Mod. Phys. 20, No. 8, Article ID 2350135, 16 p. (2023). MSC: 53D10 53D15 53D25 53D35 PDFBibTeX XMLCite \textit{S. K. Chaubey} et al., Int. J. Geom. Methods Mod. Phys. 20, No. 8, Article ID 2350135, 16 p. (2023; Zbl 07792350) Full Text: DOI
Hazra, Dipankar; De, Uday Chand; Sarkar, Avijit Some physical properties of generalized quasi-Einstein spacetimes under Gray’s decomposition. (English) Zbl 07792321 Int. J. Geom. Methods Mod. Phys. 20, No. 7, Article ID 2330003, 17 p. (2023). MSC: 53C25 53C50 53Z05 83C05 PDFBibTeX XMLCite \textit{D. Hazra} et al., Int. J. Geom. Methods Mod. Phys. 20, No. 7, Article ID 2330003, 17 p. (2023; Zbl 07792321) Full Text: DOI
Biswas, Gour Gopal; De, Uday Chand Gradient \(\rho\)-Einstein solitons on almost co-Kähler manifolds. (English) Zbl 07792304 Int. J. Geom. Methods Mod. Phys. 20, No. 6, Article ID 2330002, 12 p. (2023). MSC: 53C25 53C15 PDFBibTeX XMLCite \textit{G. G. Biswas} and \textit{U. C. De}, Int. J. Geom. Methods Mod. Phys. 20, No. 6, Article ID 2330002, 12 p. (2023; Zbl 07792304) Full Text: DOI
De, Uday Chand; De, Krishnendu; Ozen Zengin, Fusun; Altay Demirbag, Sezgin Characterizations of a spacetime of quasi-constant sectional curvature and \(\mathcal{F}(\mathcal{R})\)-gravity. (English) Zbl 07769854 Fortschr. Phys. 71, No. 6-7, Article ID 2200201, 8 p. (2023). MSC: 81-XX PDFBibTeX XMLCite \textit{U. C. De} et al., Fortschr. Phys. 71, No. 6--7, Article ID 2200201, 8 p. (2023; Zbl 07769854) Full Text: DOI
De, Uday Chand; Khatri, Mohan; Singh, Jay Prakash Einstein-type metrics on almost Kenmotsu manifolds. (English) Zbl 07712323 Bull. Malays. Math. Sci. Soc. (2) 46, No. 4, Paper No. 134, 15 p. (2023). MSC: 53C15 53C25 53D15 PDFBibTeX XMLCite \textit{U. C. De} et al., Bull. Malays. Math. Sci. Soc. (2) 46, No. 4, Paper No. 134, 15 p. (2023; Zbl 07712323) Full Text: DOI
De, Uday Chand; Sardar, Arpan Static perfect fluid spacetimes on GRW spacetimes. (English) Zbl 07689543 Anal. Math. Phys. 13, No. 3, Paper No. 44, 13 p. (2023). MSC: 53C25 53C50 53Z05 PDFBibTeX XMLCite \textit{U. C. De} and \textit{A. Sardar}, Anal. Math. Phys. 13, No. 3, Paper No. 44, 13 p. (2023; Zbl 07689543) Full Text: DOI
De, Uday Chand; Suh, Young Jin; Chaubey, Sudhakar K. Semi-symmetric curvature properties of Robertson-Walker spacetimes. (English) Zbl 07793265 J. Math. Phys. Anal. Geom. 18, No. 3, 368-381 (2022). Reviewer: Mohammed Guediri (Riyadh) MSC: 53B30 53B50 53C15 PDFBibTeX XMLCite \textit{U. C. De} et al., J. Math. Phys. Anal. Geom. 18, No. 3, 368--381 (2022; Zbl 07793265) Full Text: DOI
Güler, Sinem; De, Uday Chand Generalized quasi-Einstein metrics and applications on generalized Robertson-Walker spacetimes. (English) Zbl 1509.53054 J. Math. Phys. 63, No. 8, Article ID 083501, 14 p. (2022). MSC: 53C25 53C50 53C21 53B30 53C15 PDFBibTeX XMLCite \textit{S. Güler} and \textit{U. C. De}, J. Math. Phys. 63, No. 8, Article ID 083501, 14 p. (2022; Zbl 1509.53054) Full Text: DOI
De, Krishnendu; De, Uday Chand; Mofarreh, Fatemah \(m\)-quasi Einstein metric and paracontact geometry. (English) Zbl 1506.53034 Int. Electron. J. Geom. 15, No. 2, 304-312 (2022). MSC: 53C15 53C25 53D10 PDFBibTeX XMLCite \textit{K. De} et al., Int. Electron. J. Geom. 15, No. 2, 304--312 (2022; Zbl 1506.53034) Full Text: DOI
Biswas, Gour Gopal; De, Uday Chand; Yıldız, Ahmet Generalized quasi-Einstein metrics and contact geometry. (English) Zbl 1504.53060 Kyungpook Math. J. 62, No. 3, 485-495 (2022). Reviewer: María Ferreiro-Subrido (Santiago de Compostela) MSC: 53C25 53E20 53D10 53C15 PDFBibTeX XMLCite \textit{G. G. Biswas} et al., Kyungpook Math. J. 62, No. 3, 485--495 (2022; Zbl 1504.53060) Full Text: DOI
Biswas, Gour Gopal; De, Uday Chand Study of gradient solitons in three dimensional Riemannian manifolds. (English) Zbl 1506.53055 Commun. Korean Math. Soc. 37, No. 3, 825-837 (2022). Reviewer: Zdeněk Dušek (České Budějovice) MSC: 53C25 53C05 53C15 PDFBibTeX XMLCite \textit{G. G. Biswas} and \textit{U. C. De}, Commun. Korean Math. Soc. 37, No. 3, 825--837 (2022; Zbl 1506.53055) Full Text: DOI
De, Uday Chand; Siddigi, Mohhamad Danish; Chaubey, Sudhakar K. \(r\)-almost Newton-Ricci solitons on Legendrian submanifolds of Sasakian space forms. (English) Zbl 1499.53344 Period. Math. Hung. 84, No. 1, 76-88 (2022). MSC: 53E20 53B21 53C15 58J05 53C25 PDFBibTeX XMLCite \textit{U. C. De} et al., Period. Math. Hung. 84, No. 1, 76--88 (2022; Zbl 1499.53344) Full Text: DOI
De, Krishnendu; De, Uday Chand A note on gradient solitons on para-Kenmotsu manifolds. (English) Zbl 07819978 Int. J. Geom. Methods Mod. Phys. 18, No. 1, Article ID 2150007, 11 p. (2021). MSC: 53B30 53B50 53C15 PDFBibTeX XMLCite \textit{K. De} and \textit{U. C. De}, Int. J. Geom. Methods Mod. Phys. 18, No. 1, Article ID 2150007, 11 p. (2021; Zbl 07819978) Full Text: DOI
De, Uday Chand; Suh, Young Jin; Chaubey, Sudhakar K. Conformal vector fields on almost co-Kähler manifolds. (English) Zbl 1485.53087 Math. Slovaca 71, No. 6, 1545-1552 (2021). Reviewer: Hang Chen (Xi’an) MSC: 53C55 PDFBibTeX XMLCite \textit{U. C. De} et al., Math. Slovaca 71, No. 6, 1545--1552 (2021; Zbl 1485.53087) Full Text: DOI
De, Krishnendu; De, Uday Chand \(\delta\)-almost Yamabe solitons in paracontact metric manifolds. (English) Zbl 1477.53038 Mediterr. J. Math. 18, No. 5, Paper No. 218, 11 p. (2021). MSC: 53C15 53C25 53D10 PDFBibTeX XMLCite \textit{K. De} and \textit{U. C. De}, Mediterr. J. Math. 18, No. 5, Paper No. 218, 11 p. (2021; Zbl 1477.53038) Full Text: DOI
Chaubey, Sudhakar Kr; De, Uday Chand; Suh, Young Jin Kenmotsu manifolds satisfying the Fischer-Marsden equation. (English) Zbl 1471.53044 J. Korean Math. Soc. 58, No. 3, 597-607 (2021). MSC: 53C25 53C15 PDFBibTeX XMLCite \textit{S. K. Chaubey} et al., J. Korean Math. Soc. 58, No. 3, 597--607 (2021; Zbl 1471.53044) Full Text: DOI
De, Uday Chand; Chaubey, Sudhakar K.; Suh, Young Jin Gradient Yamabe and gradient \(m\)-quasi Einstein metrics on three-dimensional cosymplectic manifolds. (English) Zbl 1466.53037 Mediterr. J. Math. 18, No. 3, Paper No. 80, 14 p. (2021). MSC: 53C15 53C25 PDFBibTeX XMLCite \textit{U. C. De} et al., Mediterr. J. Math. 18, No. 3, Paper No. 80, 14 p. (2021; Zbl 1466.53037) Full Text: DOI
De, U. C.; Chaubey, S. K.; Shenawy, S. Perfect fluid spacetimes and Yamabe solitons. (English) Zbl 1464.83024 J. Math. Phys. 62, No. 3, Article ID 032501, 10 p. (2021). Reviewer: Alex B. Gaina (Chişinău) MSC: 83C55 76Y05 35Q51 53Z05 PDFBibTeX XMLCite \textit{U. C. De} et al., J. Math. Phys. 62, No. 3, Article ID 032501, 10 p. (2021; Zbl 1464.83024) Full Text: DOI
De, Uday Chand; Chaubey, Sudhakar K.; Suh, Young Jin A note on almost co-Kähler manifolds. (English) Zbl 07813585 Int. J. Geom. Methods Mod. Phys. 17, No. 10, Article ID 2050153, 14 p. (2020). MSC: 53D10 53D15 53E50 53E20 PDFBibTeX XMLCite \textit{U. C. De} et al., Int. J. Geom. Methods Mod. Phys. 17, No. 10, Article ID 2050153, 14 p. (2020; Zbl 07813585) Full Text: DOI
De, Krishnendu; De, Uday Chand A note on almost Ricci soliton and gradient almost Ricci soliton on para-Sasakian manifolds. (English) Zbl 1458.53047 Korean J. Math. 28, No. 4, 739-751 (2020). MSC: 53C21 53C15 53C50 PDFBibTeX XMLCite \textit{K. De} and \textit{U. C. De}, Korean J. Math. 28, No. 4, 739--751 (2020; Zbl 1458.53047) Full Text: DOI
De, Krishnendu; Blaga, Adara M.; De, Uday Chand \(\ast\)-Ricci solitons on \((\epsilon)\)-Kenmotsu manifolds. (English) Zbl 1450.53040 Palest. J. Math. 9, No. 2, 984-990 (2020). MSC: 53C15 53C25 PDFBibTeX XMLCite \textit{K. De} et al., Palest. J. Math. 9, No. 2, 984--990 (2020; Zbl 1450.53040) Full Text: Link
Sardar, Arpan; De, Uday Chand \(\eta\)-Ricci solitons on para-Kenmotsu manifolds. (English) Zbl 1450.53043 Differ. Geom. Dyn. Syst. 22, 218-228 (2020). Reviewer: Lakehal Belarbi (Mostaganem) MSC: 53C15 53C25 53E20 PDFBibTeX XMLCite \textit{A. Sardar} and \textit{U. C. De}, Differ. Geom. Dyn. Syst. 22, 218--228 (2020; Zbl 1450.53043) Full Text: Link
Dey, Chiranjib; De, Uday Chand A note on quasi-Yamabe solitons on contact metric manifolds. (English) Zbl 1435.53035 J. Geom. 111, No. 1, Paper No. 11, 7 p. (2020). MSC: 53C25 53D10 53D15 PDFBibTeX XMLCite \textit{C. Dey} and \textit{U. C. De}, J. Geom. 111, No. 1, Paper No. 11, 7 p. (2020; Zbl 1435.53035) Full Text: DOI
De, Uday Chand; Shenawy, Sameh; Ünal, Bülent Sequential warped products: curvature and conformal vector fields. (English) Zbl 1499.53196 Filomat 33, No. 13, 4071-4083 (2019). MSC: 53C21 53C25 53C50 53C80 53C15 53C18 PDFBibTeX XMLCite \textit{U. C. De} et al., Filomat 33, No. 13, 4071--4083 (2019; Zbl 1499.53196) Full Text: DOI
Peyghan, E.; Firuzi, F.; De, U. C. Golden Riemannian structures on the tangent bundle with \(g\)-natural metrics. (English) Zbl 1499.53051 Filomat 33, No. 8, 2543-2554 (2019). MSC: 53A45 53B20 57N16 58A30 PDFBibTeX XMLCite \textit{E. Peyghan} et al., Filomat 33, No. 8, 2543--2554 (2019; Zbl 1499.53051) Full Text: DOI
De, U. C.; Majhi, P. On the \(\mathcal{Q}\) curvature tensor of a generalized Sasakian-space-form. (English) Zbl 1488.53093 Kragujevac J. Math. 43, No. 3, 333-349 (2019). MSC: 53C15 53C25 PDFBibTeX XMLCite \textit{U. C. De} and \textit{P. Majhi}, Kragujevac J. Math. 43, No. 3, 333--349 (2019; Zbl 1488.53093) Full Text: Link
Mandal, Krishanu; De, Uday Chand Paracontact metric \((k,\mu)\)-spaces satisfying certain curvature conditions. (English) Zbl 1433.53043 Kyungpook Math. J. 59, No. 1, 163-174 (2019). MSC: 53C15 53B30 53C25 53D10 53D15 PDFBibTeX XMLCite \textit{K. Mandal} and \textit{U. C. De}, Kyungpook Math. J. 59, No. 1, 163--174 (2019; Zbl 1433.53043) Full Text: DOI
Suh, Young Jin; De, Uday Chand Yamabe solitons and Ricci solitons on almost co-Kähler manifolds. (English) Zbl 1428.53057 Can. Math. Bull. 62, No. 3, 653-661 (2019). MSC: 53C25 53C21 53E20 PDFBibTeX XMLCite \textit{Y. J. Suh} and \textit{U. C. De}, Can. Math. Bull. 62, No. 3, 653--661 (2019; Zbl 1428.53057) Full Text: DOI
De, Uday Chand; Majhi, Pradip; Suh, Young Jin Semisymmetric properties of almost coKähler 3-manifolds. (English) Zbl 1418.53030 Bull. Korean Math. Soc. 56, No. 1, 219-228 (2019). MSC: 53C15 53C25 PDFBibTeX XMLCite \textit{U. C. De} et al., Bull. Korean Math. Soc. 56, No. 1, 219--228 (2019; Zbl 1418.53030) Full Text: DOI
De, Uday Chand; Suh, Young Jin Some characterizations of Lorentzian manifolds. (English) Zbl 1405.53034 Int. J. Geom. Methods Mod. Phys. 16, No. 1, Article ID 1950016, 18 p. (2019). MSC: 53B30 53C25 53C50 53C80 51B20 83F05 PDFBibTeX XMLCite \textit{U. C. De} and \textit{Y. J. Suh}, Int. J. Geom. Methods Mod. Phys. 16, No. 1, Article ID 1950016, 18 p. (2019; Zbl 1405.53034) Full Text: DOI
De, U. C.; Mandal, Krishanu Ricci almost solitons and gradient Ricci almost solitons in \((k,\mu)\)-paracontact geometry. (English) Zbl 1424.53045 Bol. Soc. Parana. Mat. (3) 37, No. 3, 119-130 (2019). MSC: 53B30 53C15 53C25 53C50 53D10 53D15 PDFBibTeX XMLCite \textit{U. C. De} and \textit{K. Mandal}, Bol. Soc. Parana. Mat. (3) 37, No. 3, 119--130 (2019; Zbl 1424.53045) Full Text: Link
De, Krishnendu; De, Uday Chand \( \eta \)-Ricci solitons on Kenmotsu 3-manifolds. (English) Zbl 1513.53148 An. Univ. Vest Timiș., Ser. Mat.-Inform. 56, No. 1, 51-63 (2018). MSC: 53E30 53C15 53C25 PDFBibTeX XMLCite \textit{K. De} and \textit{U. C. De}, An. Univ. Vest Timiș., Ser. Mat.-Inform. 56, No. 1, 51--63 (2018; Zbl 1513.53148) Full Text: DOI
De, Uday Chand; Suh, Young Jin; Majhi, Pradip Ricci solitons on \(\eta \)-Einstein contact manifolds. (English) Zbl 1499.53218 Filomat 32, No. 13, 4679-4687 (2018). MSC: 53C25 53C35 53C50 53B30 53D10 PDFBibTeX XMLCite \textit{U. C. De} et al., Filomat 32, No. 13, 4679--4687 (2018; Zbl 1499.53218) Full Text: DOI
Deshmukh, Sharief; De, Uday Chand; Zhao, Peibiao Ricci semisymmetric almost Kenmotsu manifolds with nullity distributions. (English) Zbl 1488.53154 Filomat 32, No. 1, 179-186 (2018). MSC: 53C25 53C35 PDFBibTeX XMLCite \textit{S. Deshmukh} et al., Filomat 32, No. 1, 179--186 (2018; Zbl 1488.53154) Full Text: DOI
Mandal, Krishanu; De, Uday Chand Some curvature properties of paracontact metric manifolds. (English) Zbl 1395.53030 Adv. Pure Appl. Math. 9, No. 3, 159-165 (2018). Reviewer: Corina Mohorianu (Iaşi) MSC: 53C15 53B30 53C25 53D10 53D15 PDFBibTeX XMLCite \textit{K. Mandal} and \textit{U. C. De}, Adv. Pure Appl. Math. 9, No. 3, 159--165 (2018; Zbl 1395.53030) Full Text: DOI
De, Uday Chand; Haseeb, Abdul On generalized Sasakian-space-forms with \(M\)-projective curvature tensor. (English) Zbl 1380.53054 Adv. Pure Appl. Math. 9, No. 1, 67-73 (2018). MSC: 53C25 53D10 53D15 53C30 PDFBibTeX XMLCite \textit{U. C. De} and \textit{A. Haseeb}, Adv. Pure Appl. Math. 9, No. 1, 67--73 (2018; Zbl 1380.53054) Full Text: DOI
Majhi, Pradip; De, Uday Chand; Kar, Debabrata \( \eta \)-Ricci solitons on Sasakian 3-manifolds. (English) Zbl 1513.53152 An. Univ. Vest Timiș., Ser. Mat.-Inform. 55, No. 2, 143-156 (2017). MSC: 53E30 53C15 53C25 PDFBibTeX XMLCite \textit{P. Majhi} et al., An. Univ. Vest Timiș., Ser. Mat.-Inform. 55, No. 2, 143--156 (2017; Zbl 1513.53152) Full Text: DOI
Majhi, Pradip; De, Uday Chand On three dimensional generalized Sasakian-space-forms. (English) Zbl 1379.53040 J. Geom. 108, No. 3, 1039-1053 (2017). MSC: 53C15 53C25 53C30 PDFBibTeX XMLCite \textit{P. Majhi} and \textit{U. C. De}, J. Geom. 108, No. 3, 1039--1053 (2017; Zbl 1379.53040) Full Text: DOI
De, U. C.; Mandal, Krishanu Certain results on generalized \((k,\mu)\)-contact metric manifolds. (English) Zbl 1377.53038 J. Geom. 108, No. 2, 611-621 (2017). MSC: 53C15 53C25 PDFBibTeX XMLCite \textit{U. C. De} and \textit{K. Mandal}, J. Geom. 108, No. 2, 611--621 (2017; Zbl 1377.53038) Full Text: DOI
Suh, Young Jin; Mantica, Carlo Alberto; De, Uday Chand; Pal, Prajjwal Pseudo B-symmetric manifolds. (English) Zbl 1378.53060 Int. J. Geom. Methods Mod. Phys. 14, No. 9, Article ID 1750119, 14 p. (2017). Reviewer: Cihan Özgür (Balikesir) MSC: 53C25 PDFBibTeX XMLCite \textit{Y. J. Suh} et al., Int. J. Geom. Methods Mod. Phys. 14, No. 9, Article ID 1750119, 14 p. (2017; Zbl 1378.53060) Full Text: DOI
De, U. C.; Mandal, Krishanu On a type of almost Kenmotsu manifolds with nullity distributions. (English) Zbl 1367.53025 Arab J. Math. Sci. 23, No. 2, 109-123 (2017). MSC: 53C15 53C25 PDFBibTeX XMLCite \textit{U. C. De} and \textit{K. Mandal}, Arab J. Math. Sci. 23, No. 2, 109--123 (2017; Zbl 1367.53025) Full Text: DOI
Ghosh, Gopal; De, Uday Chand On a semi-symmetric metric connection in an almost Kenmotsu manifold with nullity distributions. (English) Zbl 1372.53048 Acta Univ. Palacki. Olomuc., Fac. Rerum Nat., Math. 55, No. 2, 87-99 (2016). Reviewer: Radu Iordănescu (Bucureşti) MSC: 53C25 53C35 53C15 PDFBibTeX XMLCite \textit{G. Ghosh} and \textit{U. C. De}, Acta Univ. Palacki. Olomuc., Fac. Rerum Nat., Math. 55, No. 2, 87--99 (2016; Zbl 1372.53048) Full Text: Link
Mantica, Carlo Alberto; Suh, Young Jin; De, Uday Chand A note on generalized Robertson-Walker space-times. (English) Zbl 1348.53070 Int. J. Geom. Methods Mod. Phys. 13, No. 6, Article ID 1650079, 9 p. (2016). Reviewer: Marco Modugno (Firenze) MSC: 53C50 53C25 53C35 PDFBibTeX XMLCite \textit{C. A. Mantica} et al., Int. J. Geom. Methods Mod. Phys. 13, No. 6, Article ID 1650079, 9 p. (2016; Zbl 1348.53070) Full Text: DOI
Mantica, Carlo Alberto; Molinari, Luca Guido; De, Uday Chand A condition for a perfect-fluid space-time to be a generalized Robertson-Walker space-time. (English) Zbl 1336.83053 J. Math. Phys. 57, No. 2, 022508, 6 p. (2016); erratum ibid. 57, No. 4, 049901, 1 p. (2016). MSC: 83F05 83C55 83C20 53Z05 83E15 PDFBibTeX XMLCite \textit{C. A. Mantica} et al., J. Math. Phys. 57, No. 2, 022508, 6 p. (2016; Zbl 1336.83053) Full Text: DOI arXiv Link
De, U. C.; Majhi, Pradip \(\phi\)-semisymmetric generalized Sasakian space-forms. (English) Zbl 1330.53037 Arab J. Math. Sci. 21, No. 2, 170-178 (2015). Reviewer: Valentino Tosatti (Evanston) MSC: 53C15 53C25 PDFBibTeX XMLCite \textit{U. C. De} and \textit{P. Majhi}, Arab J. Math. Sci. 21, No. 2, 170--178 (2015; Zbl 1330.53037) Full Text: DOI
De, Uday Chand; Majhi, Pradip Certain curvature properties of generalized Sasakian-space-forms. (English) Zbl 1325.53057 Proc. Natl. Acad. Sci. India, Sect. A, Phys. Sci. 83, No. 2, 137-141 (2013). MSC: 53C25 PDFBibTeX XMLCite \textit{U. C. De} and \textit{P. Majhi}, Proc. Natl. Acad. Sci. India, Sect. A, Phys. Sci. 83, No. 2, 137--141 (2013; Zbl 1325.53057) Full Text: DOI
Yildiz, A.; De, U. C.; Turan, M. On 3-dimensional \(f\)-Kenmotsu manifolds and Ricci solitons. (English) Zbl 1286.53043 Ukr. Math. J. 65, No. 5, 684-693 (2013) and Ukr. Mat. Zh. 65, No. 5, 620-628 (2013). MSC: 53C15 53C25 PDFBibTeX XMLCite \textit{A. Yildiz} et al., Ukr. Math. J. 65, No. 5, 684--693 (2013; Zbl 1286.53043) Full Text: DOI
De, U. C.; Singh, R. N.; Pandey, Shravan K. On the conharmonic curvature tensor of generalized Sasakian-space-forms. (English) Zbl 1256.53025 ISRN Geom. 2012, Article ID 876276, 14 p. (2012). MSC: 53C15 53C25 PDFBibTeX XMLCite \textit{U. C. De} et al., ISRN Geom. 2012, Article ID 876276, 14 p. (2012; Zbl 1256.53025) Full Text: DOI