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@article{DE_1995_31_12_a6, author = {N. N. Petrov}, title = {Some problems on the qualitative theory of dynamical polysystems}, journal = {Differencialʹnye uravneni\^a}, pages = {2005--2012}, publisher = {mathdoc}, volume = {31}, number = {12}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1995_31_12_a6/} }
N. N. Petrov. Some problems on the qualitative theory of dynamical polysystems. Differencialʹnye uravneniâ, Tome 31 (1995) no. 12, pp. 2005-2012. http://geodesic.mathdoc.fr/item/DE_1995_31_12_a6/