@article{MMO_1982_44_a5,
     author = {V. S. Samovol},
     title = {Equivalence of systems of differential equations in the neighborhood of a~singular point},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {213--234},
     publisher = {mathdoc},
     volume = {44},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1982_44_a5/}
}