@article{DE_1979_15_11_a3,
     author = {N. P. Erugin},
     title = {Behavior of solutions of a linear homogeneous system of differential equations in the neighborhood of a singular point},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1950--1959},
     publisher = {mathdoc},
     volume = {15},
     number = {11},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_11_a3/}
}