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@article{DE_1994_30_5_a23, author = {U. D. Bekbaev}, title = {On equivalence and invariants of ordinary linear differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {911--912}, publisher = {mathdoc}, volume = {30}, number = {5}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1994_30_5_a23/} }
U. D. Bekbaev. On equivalence and invariants of ordinary linear differential equations. Differencialʹnye uravneniâ, Tome 30 (1994) no. 5, pp. 911-912. http://geodesic.mathdoc.fr/item/DE_1994_30_5_a23/