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@article{DAN_1977_234_3_a8, author = {L. A. Levin}, title = {On a concrete method of assigning complexity measures}, journal = {Doklady Akademii Nauk}, pages = {536--539}, publisher = {mathdoc}, volume = {234}, number = {3}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1977_234_3_a8/} }
L. A. Levin. On a concrete method of assigning complexity measures. Doklady Akademii Nauk, Tome 234 (1977) no. 3, pp. 536-539. http://geodesic.mathdoc.fr/item/DAN_1977_234_3_a8/