Chuiko, S. M.; Starkova, O. V. On the approximate solution of autonomous boundary-value problems by the least-squares method. (English. Russian original) Zbl 1277.65056 Nonlinear Oscil., N.Y. 12, No. 4, 574-591 (2009); translation from Nelinijni Kolyvannya 12, No. 4, 556-573 (2009). MSC: 65L10 34A45 34B10 PDFBibTeX XMLCite \textit{S. M. Chuiko} and \textit{O. V. Starkova}, Nonlinear Oscil., N.Y. 12, No. 4, 574--591 (2009; Zbl 1277.65056); translation from Nelinijni Kolyvannya 12, No. 4, 556--573 (2009) Full Text: DOI
Pelyukh, H. P.; Sivak, O. A. Continuous solutions of nonlinear functional difference equations and their properties. (English. Ukrainian original) Zbl 1277.39016 Nonlinear Oscil., N.Y. 12, No. 4, 559-573 (2009); translation from Nelinijni Kolyvannya 12, No. 4, 541-555 (2009). MSC: 39A13 39A22 PDFBibTeX XMLCite \textit{H. P. Pelyukh} and \textit{O. A. Sivak}, Nonlinear Oscil., N.Y. 12, No. 4, 559--573 (2009; Zbl 1277.39016); translation from Nelinijni Kolyvannya 12, No. 4, 541--555 (2009) Full Text: DOI
Myslo, Yu. M.; Tkachenko, V. I. On the permanence of periodic predator-prey systems with stage structure and pulse action. (English. Ukrainian original) Zbl 1277.92029 Nonlinear Oscil., N.Y. 12, No. 4, 543-558 (2009); translation from Nelinijni Kolyvannya 12, No. 4, 527-540 (2009). MSC: 92D25 34D05 37N25 PDFBibTeX XMLCite \textit{Yu. M. Myslo} and \textit{V. I. Tkachenko}, Nonlinear Oscil., N.Y. 12, No. 4, 543--558 (2009; Zbl 1277.92029); translation from Nelinijni Kolyvannya 12, No. 4, 527--540 (2009) Full Text: DOI
Maksymenko, S. I. Symmetries of degenerate center singularities of plane vector fields. (English) Zbl 1277.37036 Nonlinear Oscil., N.Y. 12, No. 4, 522-542 (2009) and Nelinijni Kolyvannya 12, No. 4, 507-526 (2009). MSC: 37C10 34C20 37B99 37C80 PDFBibTeX XMLCite \textit{S. I. Maksymenko}, Nonlinear Oscil., N.Y. 12, No. 4, 522--542 (2009; Zbl 1277.37036) Full Text: DOI arXiv
Luiśtyk, M.; Prykarpats’kyi, A. K.; Prytula, M. M.; Vovk, M. I. Projection-algebraic approximation of linear and nonlinear operator differential equations in Banach spaces. (English. Ukrainian original) Zbl 1277.34087 Nonlinear Oscil., N.Y. 12, No. 4, 510-521 (2009); translation from Nelinijni Kolyvannya 12, No. 4, 495-506 (2009). MSC: 34G20 34A45 47N20 PDFBibTeX XMLCite \textit{M. Luiśtyk} et al., Nonlinear Oscil., N.Y. 12, No. 4, 510--521 (2009; Zbl 1277.34087); translation from Nelinijni Kolyvannya 12, No. 4, 495--506 (2009) Full Text: DOI
Lomtatidze, A.; Opluštil, Z.; Šremr, J. Nonpositive solutions of a functional differential inequality. (English) Zbl 1277.34112 Nonlinear Oscil., N.Y. 12, No. 4, 474-509 (2009) and Nelinijni Kolyvannya 12, No. 4, 461-494 (2009). MSC: 34K38 47N20 PDFBibTeX XMLCite \textit{A. Lomtatidze} et al., Nonlinear Oscil., N.Y. 12, No. 4, 474--509 (2009; Zbl 1277.34112) Full Text: DOI
Lila, D. M.; Martynyuk, A. A. On stability of some solutions for equations of locked lasing of optically coupled lasers with periodic pumping. (English. Russian original) Zbl 1277.78028 Nonlinear Oscil., N.Y. 12, No. 4, 464-473 (2009); translation from Nelinijni Kolyvannya 12, No. 4, 451-460 (2009). MSC: 78A60 34C25 PDFBibTeX XMLCite \textit{D. M. Lila} and \textit{A. A. Martynyuk}, Nonlinear Oscil., N.Y. 12, No. 4, 464--473 (2009; Zbl 1277.78028); translation from Nelinijni Kolyvannya 12, No. 4, 451--460 (2009) Full Text: DOI
Zhuravlev, V. F. Generalization of the Schmidt lemma to the case of \(n\)-normal and \(d\)-normal operators in a Banach space. (English. Russian original) Zbl 1276.47014 Nonlinear Oscil., N.Y. 12, No. 4, 456-463 (2009); translation from Nelinijni Kolyvannya 12, No. 4, 443-450 (2009). MSC: 47A50 PDFBibTeX XMLCite \textit{V. F. Zhuravlev}, Nonlinear Oscil., N.Y. 12, No. 4, 456--463 (2009; Zbl 1276.47014); translation from Nelinijni Kolyvannya 12, No. 4, 443--450 (2009) Full Text: DOI
Bel’skii, D. V. On the behavior of solutions of systems of linear functional differential equations with constant coefficients and linearly transformed argument in the neighborhood of a singular point. (English. Russian original) Zbl 1277.34092 Nonlinear Oscil., N.Y. 12, No. 4, 447-455 (2009); translation from Nelinijni Kolyvannya 12, No. 4, 435-442 (2009). MSC: 34K06 34D05 PDFBibTeX XMLCite \textit{D. V. Bel'skii}, Nonlinear Oscil., N.Y. 12, No. 4, 447--455 (2009; Zbl 1277.34092); translation from Nelinijni Kolyvannya 12, No. 4, 435--442 (2009) Full Text: DOI