@article{DE_1971_7_5_a14,
     author = {I. V. Gaishun},
     title = {Some stability criteria for the solutions of equations that are not solved with respect to the highest derivative},
     journal = {Differencialʹnye uravneni\^a},
     pages = {923--926},
     publisher = {mathdoc},
     volume = {7},
     number = {5},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1971_7_5_a14/}
}