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@article{MMO_1952_1_a4, author = {M. I. Vishik}, title = {On general boundary problems for elliptic differential equations}, journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva}, pages = {187--246}, publisher = {mathdoc}, volume = {1}, year = {1952}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MMO_1952_1_a4/} }
M. I. Vishik. On general boundary problems for elliptic differential equations. Trudy Moskovskogo matematičeskogo obŝestva, Trudy Moskovskogo Matematicheskogo Obshchestva, Tome 1 (1952), pp. 187-246. http://geodesic.mathdoc.fr/item/MMO_1952_1_a4/