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@article{IVM_1985_1_a15, author = {A. B. Livchak}, title = {Polynomial computability}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {66--67}, publisher = {mathdoc}, number = {1}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1985_1_a15/} }
A. B. Livchak. Polynomial computability. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1985), pp. 66-67. http://geodesic.mathdoc.fr/item/IVM_1985_1_a15/