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@article{TM_1975_127_a2, author = {N. K. Korenev}, title = {The number of solutions of a certain difference scheme}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {20--26}, publisher = {mathdoc}, volume = {127}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1975_127_a2/} }
N. K. Korenev. The number of solutions of a certain difference scheme. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Boundary value problems of mathematical physics. Part 9, Tome 127 (1975), pp. 20-26. http://geodesic.mathdoc.fr/item/TM_1975_127_a2/