@article{DE_1984_20_10_a5,
     author = {I. T. Kiguradze},
     title = {Behavior of the solutions of higher-order ordinary differential equations in the neighborhood of a singular point},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1703--1709},
     publisher = {mathdoc},
     volume = {20},
     number = {10},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1984_20_10_a5/}
}