Manta, Vasile; Zet, Gheorghe A computer aided-study of detecting event horizons and stationary surfaces. (English. Romanian summary) Zbl 1052.83024 Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3-4, 85-92 (2000). MSC: 83C57 PDFBibTeX XMLCite \textit{V. Manta} and \textit{G. Zet}, Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3--4, 85--92 (2000; Zbl 1052.83024)
Vieru, Dumitru; Ciumaşu, Silvia-Gabriela Direct approach to piezoelectricity. I: Two-dimensional plane strain problems. (English. Romanian summary) Zbl 1052.74514 Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3-4, 75-84 (2000). MSC: 74F15 PDFBibTeX XMLCite \textit{D. Vieru} and \textit{S.-G. Ciumaşu}, Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3--4, 75--84 (2000; Zbl 1052.74514)
Ciumaşu, Silvia-Gabriela; Vieru, Dumitru A generalized theory of thermopiezoelectricity with polarization gradient. (English. Romanian summary) Zbl 1052.74507 Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3-4, 67-73 (2000). MSC: 74F05 74F15 PDFBibTeX XMLCite \textit{S.-G. Ciumaşu} and \textit{D. Vieru}, Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3--4, 67--73 (2000; Zbl 1052.74507)
Maturo, Antonio; Ferri, Barbara Mathematical models based on fuzzy classification and commutative hypergroups to solve present problems of evaluation in town-planning. (English. Romanian summary) Zbl 1052.00519 Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3-4, 57-66 (2000). MSC: 00A71 90B50 PDFBibTeX XMLCite \textit{A. Maturo} and \textit{B. Ferri}, Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3--4, 57--66 (2000; Zbl 1052.00519)
Ghiuş, Viorel A classification of circulations in a nonoriented 2-step graph. (Une classification de circulations dans un graphe escalier double non orienté.) (French) Zbl 1054.05044 Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3-4, 51-55 (2000). MSC: 05C20 PDFBibTeX XMLCite \textit{V. Ghiuş}, Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3--4, 51--55 (2000; Zbl 1054.05044)
Luca, Rodica Periodic solutions of a hyperbolic system. (English. Romanian summary) Zbl 1053.35525 Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3-4, 43-49 (2000). MSC: 35L50 35B10 PDFBibTeX XMLCite \textit{R. Luca}, Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3--4, 43--49 (2000; Zbl 1053.35525)
Pletea, Ariadna Lucia The approximation of the generalized solution for a differential equation. (English. Romanian summary) Zbl 1052.34016 Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3-4, 37-41 (2000). MSC: 34B05 65L60 PDFBibTeX XMLCite \textit{A. L. Pletea}, Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3--4, 37--41 (2000; Zbl 1052.34016)
Pachpatte, B. G. On an inequality similar to Hilbert’s inequality. (English) Zbl 1057.26020 Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3-4, 31-36 (2000). MSC: 26D15 PDFBibTeX XMLCite \textit{B. G. Pachpatte}, Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3--4, 31--36 (2000; Zbl 1057.26020)
Corduneanu, Adrian On the inequality \(f(x)\leq K_0+\int^{\alpha(x)}_0[L(s)f(s)+M(s)g(f(s))]ds\). (English) Zbl 1057.26013 Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3-4, 23-29 (2000). MSC: 26D15 PDFBibTeX XMLCite \textit{A. Corduneanu}, Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3--4, 23--29 (2000; Zbl 1057.26013)
Negoescu, Nicoleta Remarks on the joint fixed points of operators on a metric space. (Observations sur les points fixes communs des deux opérateurs définis sur un espace métrique.) (French, English, Romanian) Zbl 1054.54515 Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3-4, 15-21 (2000). MSC: 54H25 47H10 PDFBibTeX XMLCite \textit{N. Negoescu}, Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3--4, 15--21 (2000; Zbl 1054.54515)
Lămătic, Mihai Gh. Some commutativity properties for normal rings. (English) Zbl 1061.16504 Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3-4, 7-13 (2000). MSC: 16U70 16U80 PDFBibTeX XMLCite \textit{M. Gh. Lămătic}, Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3--4, 7--13 (2000; Zbl 1061.16504)
Vasantha Kandasamy, W. B. On group-semisuperboolean algebras. (English) Zbl 1061.16506 Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3-4, 1-5 (2000). MSC: 16Y99 06E99 PDFBibTeX XMLCite \textit{W. B. Vasantha Kandasamy}, Bul. Inst. Politeh. Iași, Secț. I, Mat. Mec. Teor. Fiz. 46(50), No. 3--4, 1--5 (2000; Zbl 1061.16506)