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@article{DAN_1962_146_6_a1, author = {V. V. Grushin}, title = {A problem in the entire space for a certain class of partial differential equations}, journal = {Doklady Akademii Nauk}, pages = {1251--1254}, publisher = {mathdoc}, volume = {146}, number = {6}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1962_146_6_a1/} }
V. V. Grushin. A problem in the entire space for a certain class of partial differential equations. Doklady Akademii Nauk, Tome 146 (1962) no. 6, pp. 1251-1254. http://geodesic.mathdoc.fr/item/DAN_1962_146_6_a1/