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@article{DE_2003_39_4_a15, author = {S. L. Sobolevskii}, title = {Fixed {Singular} {Points} of {Differential} {Systems}}, journal = {Differencialʹnye uravneni\^a}, pages = {563--564}, publisher = {mathdoc}, volume = {39}, number = {4}, year = {2003}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2003_39_4_a15/} }
S. L. Sobolevskii. Fixed Singular Points of Differential Systems. Differencialʹnye uravneniâ, Tome 39 (2003) no. 4, pp. 563-564. http://geodesic.mathdoc.fr/item/DE_2003_39_4_a15/