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@article{IVM_2002_1_a6, author = {B. A. Kats}, title = {On a~generalization of a~theorem of {N.\,A.~Davydov}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {39--44}, publisher = {mathdoc}, number = {1}, year = {2002}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2002_1_a6/} }
B. A. Kats. On a~generalization of a~theorem of N.\,A.~Davydov. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (2002), pp. 39-44. http://geodesic.mathdoc.fr/item/IVM_2002_1_a6/