@article{DAN_1972_206_3_a7,
     author = {V. S. Samovol},
     title = {Linearization of a system of differential equations in the neighborhood of a singular point},
     journal = {Doklady Akademii Nauk},
     pages = {545--548},
     publisher = {mathdoc},
     volume = {206},
     number = {3},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_206_3_a7/}
}