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@article{DE_1991_27_6_a0, author = {N. V. Azbelev and A. I. Domoshnitskii}, title = {On the question of linear differential inequalities. {II}}, journal = {Differencialʹnye uravneni\^a}, pages = {923--931}, publisher = {mathdoc}, volume = {27}, number = {6}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1991_27_6_a0/} }
N. V. Azbelev; A. I. Domoshnitskii. On the question of linear differential inequalities. II. Differencialʹnye uravneniâ, Tome 27 (1991) no. 6, pp. 923-931. http://geodesic.mathdoc.fr/item/DE_1991_27_6_a0/