@article{DE_1981_17_4_a19,
     author = {R. Kh. Israfilov},
     title = {Estimate of the relation of solutions of a differential equation with retarded argument of unstable type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {738--740},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_4_a19/}
}