Lyutkyavichyus, Jonas; Mejlunas, Mechis; Plankene, Veronika On the determination of the solution of boundary value problems in isolated points of a domain. (Russian) Zbl 0465.65053 Differ. Uravn. Primen. 26, 9-19 (1980). MSC: 65N12 35J05 65B05 PDFBibTeX XMLCite \textit{J. Lyutkyavichyus} et al., Differ. Uravn. Primen. 26, 9--19 (1980; Zbl 0465.65053)
Sapagovas, Mifodij Program package for the solution of nonlinear elliptic differential equations. I: Algorithms in the one-dimensional case. (Russian) Zbl 0464.65068 Differ. Uravn. Primen. 26, 21-38 (1980). MSC: 65N22 65L10 65H10 34B15 65-04 35J65 PDFBibTeX XMLCite \textit{M. Sapagovas}, Differ. Uravn. Primen. 26, 21--38 (1980; Zbl 0464.65068)
Skirmantas, Rimantas High-order accuracy difference schemes and self-adjointness. (Russian) Zbl 0464.65061 Differ. Uravn. Primen. 26, 39-52 (1980). MSC: 65N12 65N06 35J65 PDFBibTeX XMLCite \textit{R. Skirmantas}, Differ. Uravn. Primen. 26, 39--52 (1980; Zbl 0464.65061)