@article{DE_1970_6_11_a24,
     author = {A. A. Shestakov},
     title = {Power asymptotics of order  $p<0$ of the solutions of a nonautonomous differential system with a singular point of higher order},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2101--2104},
     publisher = {mathdoc},
     volume = {6},
     number = {11},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1970_6_11_a24/}
}