@article{DE_1978_14_11_a3,
     author = {A. A. Martynyuk and A. Yu. Obolenskii},
     title = {A {Poincar\'e-Schur} algorithm in stability theory},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1980--1989},
     publisher = {mathdoc},
     volume = {14},
     number = {11},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1978_14_11_a3/}
}