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@article{IVM_1991_12_a15, author = {S. S. Lapushkin}, title = {On a~problem for the {Schr\"odinger} equation}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {85--86}, publisher = {mathdoc}, number = {12}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1991_12_a15/} }
S. S. Lapushkin. On a~problem for the Schr\"odinger equation. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (1991), pp. 85-86. http://geodesic.mathdoc.fr/item/IVM_1991_12_a15/