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@article{DAN_1990_314_6_a9, author = {E. V. Radkevich}, title = {The spectrum of the pencil of a two-phase {Stefan} problem}, journal = {Doklady Akademii Nauk}, pages = {1322--1327}, publisher = {mathdoc}, volume = {314}, number = {6}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1990_314_6_a9/} }
E. V. Radkevich. The spectrum of the pencil of a two-phase Stefan problem. Doklady Akademii Nauk, Tome 314 (1990) no. 6, pp. 1322-1327. http://geodesic.mathdoc.fr/item/DAN_1990_314_6_a9/