@article{DE_1975_11_8_a2,
     author = {G. S. Osipenko},
     title = {The topological equivalence of differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1366--1374},
     publisher = {mathdoc},
     volume = {11},
     number = {8},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1975_11_8_a2/}
}