@article{DAN_1961_140_4_a1,
     author = {D. M. Grobman},
     title = {Topological and asymptotic equivalence of systems of differential equations},
     journal = {Doklady Akademii Nauk},
     pages = {746--747},
     publisher = {mathdoc},
     volume = {140},
     number = {4},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_140_4_a1/}
}