@article{DAN_1964_158_4_a4,
     author = {D. M. Grobman},
     title = {Asymptotic behaviour of almost linear systems of differential equations},
     journal = {Doklady Akademii Nauk},
     pages = {774--776},
     publisher = {mathdoc},
     volume = {158},
     number = {4},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_158_4_a4/}
}