@article{DE_1969_5_10_a5,
     author = {S. K. Persidskii},
     title = {On the question of stability in the large},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1804--1810},
     year = {1969},
     volume = {5},
     number = {10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1969_5_10_a5/}
}