Zakharov, V. G.; Petrenko, V. G. Lösung des Stefanschen Problems nach der Kollokationsmethode. (Ukrainian) Zbl 0278.65118 Dopov. Akad. Nauk Ukr. RSR, Ser. A 1972, 400-404 (1972). MSC: 65N35 PDFBibTeX XMLCite \textit{V. G. Zakharov} and \textit{V. G. Petrenko}, Dopov. Akad. Nauk Ukr. RSR, Ser. A 1972, 400--404 (1972; Zbl 0278.65118)
Fil’chakov, P. F.; Petrenko, V. G.; Draĭtsun, I. A. On an application of the power series method to the solution of a certain problem for an equation of elliptic type. (Ukrainian. Russian, English summaries) Zbl 0167.10501 Dopov. Akad. Nauk Ukr. RSR, Ser. A 1968, 1095-1101 (1968). MSC: 35A35 65M99 65N99 35J99 PDFBibTeX XMLCite \textit{P. F. Fil'chakov} et al., Dopov. Akad. Nauk Ukr. RSR, Ser. A 1968, 1095--1101 (1968; Zbl 0167.10501)