@article{DE_1975_11_3_a6,
     author = {A. A. Shestakov},
     title = {The study by the generalized {Briot--Bouquet} method of the properties of solutions near singular initial values of a nonautonomous differential system},
     journal = {Differencialʹnye uravneni\^a},
     pages = {470--483},
     publisher = {mathdoc},
     volume = {11},
     number = {3},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1975_11_3_a6/}
}