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@article{DAN_1966_166_1_a2, author = {D. M. Grobman}, title = {Analogy between systems of differential equations near a singular point}, journal = {Doklady Akademii Nauk}, pages = {15--18}, publisher = {mathdoc}, volume = {166}, number = {1}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_166_1_a2/} }
D. M. Grobman. Analogy between systems of differential equations near a singular point. Doklady Akademii Nauk, Tome 166 (1966) no. 1, pp. 15-18. http://geodesic.mathdoc.fr/item/DAN_1966_166_1_a2/