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@article{DE_1993_29_10_a5, author = {V. L. Kulik}, title = {Linear systems of differential equations that are regular on $\mathbf R$}, journal = {Differencialʹnye uravneni\^a}, pages = {1699--1704}, publisher = {mathdoc}, volume = {29}, number = {10}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1993_29_10_a5/} }
V. L. Kulik. Linear systems of differential equations that are regular on $\mathbf R$. Differencialʹnye uravneniâ, Tome 29 (1993) no. 10, pp. 1699-1704. http://geodesic.mathdoc.fr/item/DE_1993_29_10_a5/