@article{DE_1973_9_8_a10,
     author = {N. A. Sidorov},
     title = {The branching of the solutions of differential equations with a degeneracy},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1464--1481},
     year = {1973},
     volume = {9},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1973_9_8_a10/}
}