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@article{DAN_1995_340_3_a5, author = {A. K. Lopatin and S. R. Belkina}, title = {A new criterion for the decomposability of a differential system}, journal = {Doklady Akademii Nauk}, pages = {311--313}, publisher = {mathdoc}, volume = {340}, number = {3}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1995_340_3_a5/} }
A. K. Lopatin; S. R. Belkina. A new criterion for the decomposability of a differential system. Doklady Akademii Nauk, Tome 340 (1995) no. 3, pp. 311-313. http://geodesic.mathdoc.fr/item/DAN_1995_340_3_a5/