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@article{DAN_1957_114_1_a3, author = {S. N. Levina}, title = {On the solution of the oscillation equation over the entire time axis}, journal = {Doklady Akademii Nauk}, pages = {18--20}, publisher = {mathdoc}, volume = {114}, number = {1}, year = {1957}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1957_114_1_a3/} }
S. N. Levina. On the solution of the oscillation equation over the entire time axis. Doklady Akademii Nauk, Tome 114 (1957) no. 1, pp. 18-20. http://geodesic.mathdoc.fr/item/DAN_1957_114_1_a3/