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@article{DAN_1977_232_4_a18, author = {W. I. Fushchych and Yu. N. Segeda}, title = {On a new invariance algebra of the free {Schr\"odinger} equation}, journal = {Doklady Akademii Nauk}, pages = {800--801}, publisher = {mathdoc}, volume = {232}, number = {4}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1977_232_4_a18/} }
W. I. Fushchych; Yu. N. Segeda. On a new invariance algebra of the free Schr\"odinger equation. Doklady Akademii Nauk, Tome 232 (1977) no. 4, pp. 800-801. http://geodesic.mathdoc.fr/item/DAN_1977_232_4_a18/