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@article{DAN_1994_339_2_a6, author = {V. F. Yakovlev}, title = {The {Ashby} principle in a hierarchy of representations of}, journal = {Doklady Akademii Nauk}, pages = {176--178}, publisher = {mathdoc}, volume = {339}, number = {2}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1994_339_2_a6/} }
V. F. Yakovlev. The Ashby principle in a hierarchy of representations of. Doklady Akademii Nauk, Tome 339 (1994) no. 2, pp. 176-178. http://geodesic.mathdoc.fr/item/DAN_1994_339_2_a6/