Hussein, A. E. Stability and the condition number of a matrix for a radial-spherical mesh. (English) Zbl 0517.65084 Vestn. Leningr. Univ., Math. 11, 157-162 (1983). MSC: 65N25 65F35 35P15 PDFBibTeX XMLCite \textit{A. E. Hussein}, Vestn. Leningr. Univ., Math. 11, 157--162 (1983; Zbl 0517.65084)
Bykhovskij, Eh. B. An initial boundary value problem for a system of two quasilinear conservation laws with boundary conditions of inequality type. (English) Zbl 0516.35054 Vestn. Leningr. Univ., Math. 11, 17-24 (1983). MSC: 35L65 35L60 35R45 35L45 35L50 35B05 PDFBibTeX XMLCite \textit{Eh. B. Bykhovskij}, Vestn. Leningr. Univ., Math. 11, 17--24 (1983; Zbl 0516.35054)
Aleksieva, I. V. On approximate solution of the three-dimensional problems of plasticity. (English) Zbl 0515.73038 Vestn. Leningr. Univ., Math. 11, 1-11 (1983). MSC: 74S30 49R50 35D05 74C99 PDFBibTeX XMLCite \textit{I. V. Aleksieva}, Vestn. Leningr. Univ., Math. 11, 1--11 (1983; Zbl 0515.73038)