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@article{DAN_1965_161_4_a4, author = {A. M. Il'in}, title = {Eigenfunctions of an elliptic operator in certain unbounded regions}, journal = {Doklady Akademii Nauk}, pages = {757--759}, publisher = {mathdoc}, volume = {161}, number = {4}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1965_161_4_a4/} }
A. M. Il'in. Eigenfunctions of an elliptic operator in certain unbounded regions. Doklady Akademii Nauk, Tome 161 (1965) no. 4, pp. 757-759. http://geodesic.mathdoc.fr/item/DAN_1965_161_4_a4/