@article{DE_1994_30_8_a18,
     author = {I. U. Bronshtein and I. V. Nikolaev},
     title = {Smooth orbital equivalence in a neighborhood of a singular point on a plane},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1462--1464},
     year = {1994},
     volume = {30},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1994_30_8_a18/}
}