Čiegis, R. On the convergence of finite-difference schemes of high-order accurracy for singular problems. (English. Russian original) Zbl 0833.65102 Lith. Math. J. 34, No. 4, 344-355 (1994); translation from Liet. Mat. Rink. 34, No. 4, 434-448 (1994). Reviewer: S.Gocheva-Ilieva (Plovdiv) MSC: 65M12 65M15 65M06 35K15 PDFBibTeX XMLCite \textit{R. Čiegis}, Lith. Math. J. 34, No. 4, 344--355 (1994; Zbl 0833.65102); translation from Liet. Mat. Rink. 34, No. 4, 434--448 (1994) Full Text: DOI
Kishkis, K. Yu.; Chegis, R. Yu. Stability of additive difference schemes with respect to boundary data. (English. Russian original) Zbl 0823.65086 Differ. Equations 30, No. 3, 445-451 (1994); translation from Differ. Uravn. 30, No. 3, 480-487 (1994). Reviewer: V.Chernyatin (Szczecin) MSC: 65M12 65M06 35K15 PDFBibTeX XMLCite \textit{K. Yu. Kishkis} and \textit{R. Yu. Chegis}, Differ. Equations 30, No. 3, 1 (1994; Zbl 0823.65086); translation from Differ. Uravn. 30, No. 3, 480--487 (1994)
Chegis, R. Yu. Numerical solution of a problem with small parameter for the highest derivative and a nonlocal condition. (English. Russian original) Zbl 0664.65085 Lith. Math. J. 28, No. 1, 90-96 (1988); translation from Lit. Mat. Sb. 28, No. 1, 144-152 (1988). MSC: 65L10 65L60 34B05 34E15 PDFBibTeX XMLCite \textit{R. Yu. Chegis}, Lith. Math. J. 28, No. 1, 90--96 (1988; Zbl 0664.65085); translation from Lit. Mat. Sb. 28, No. 1, 144--152 (1988) Full Text: DOI
Chegis, R. Yu. Summary approximation method for the problem on forced dispersion. (Russian. English summary) Zbl 0653.65085 Lit. Mat. Sb. 28, No. 2, 376-383 (1988). Reviewer: G.Hedstrom MSC: 65Z05 65M12 78A45 65M06 35Q99 PDFBibTeX XMLCite \textit{R. Yu. Chegis}, Litov. Mat. Sb. 28, No. 2, 376--383 (1988; Zbl 0653.65085)
Chegis, R. Yu. Numerical solution of a problem with a small parameter at the highest derivative and a nonlocal condition. (Russian. English summary) Zbl 0647.65054 Lit. Mat. Sb. 28, No. 1, 144-152 (1988). Reviewer: P.Chocholatý MSC: 65L10 65L60 34B05 34E15 PDFBibTeX XMLCite \textit{R. Yu. Chegis}, Litov. Mat. Sb. 28, No. 1, 144--152 (1988; Zbl 0647.65054)
Chegis, R. Yu. Difference scheme for the computation of forced dispersion. (Russian. English summary) Zbl 0615.65128 Lit. Mat. Sb. 26, No. 2, 355-361 (1986). MSC: 65Z05 35Q99 78A40 65N06 PDFBibTeX XMLCite \textit{R. Yu. Chegis}, Litov. Mat. Sb. 26, No. 2, 355--361 (1986; Zbl 0615.65128)