Ashyralyev, A. O.; Sobolevskij, P. E. Correct solvability of the Crank-Nicolson difference scheme for parabolic equations. (Russian. English summary) Zbl 0532.65071 Izv. Akad. Nauk Turkm. SSR, Ser. Fiz.-Tekh. Khim. Geol. Nauk 1981, No. 6, 10-16 (1981). Reviewer: E.Schechter MSC: 65N22 65N12 65N40 35K20 PDFBibTeX XMLCite \textit{A. O. Ashyralyev} and \textit{P. E. Sobolevskij}, Izv. Akad. Nauk Turkm. SSR, Ser. Fiz.-Tekh., Khim. Geol. Nauk 1981, No. 6, 10--16 (1981; Zbl 0532.65071)
Mel’nik, Z. O. A boundary value problem without initial conditions for a hyperbolic system of second order. (Russian) Zbl 0479.35060 Boundary value problems of mathematical physics, Collect. sci. Works, Kiev 1981, 81-82 (1981). MSC: 35L55 35L20 35A05 PDFBibTeX XML
Matijchuk, M. I.; Pukal’skij, I. D. A problem with directional derivative for degenerate parabolic equation. (English) Zbl 0467.35063 Math. Notes 28, 727-733 (1981). MSC: 35K65 35B45 35B50 35K20 PDFBibTeX XMLCite \textit{M. I. Matijchuk} and \textit{I. D. Pukal'skij}, Math. Notes 28, 727--733 (1981; Zbl 0467.35063) Full Text: DOI