@article{SM_1967_2_4_a7,
     author = {D. M. Grobman},
     title = {Topological equivalence in the large for systems of differential equations},
     journal = {Sbornik. Mathematics},
     pages = {535--542},
     year = {1967},
     volume = {2},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1967_2_4_a7/}
}