@article{DE_1974_10_7_a10,
     author = {R. Kh. Israfilov},
     title = {An estimate of the oscillating solutions of a linear homogeneous system of differential equations with retarded argument},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1242--1247},
     publisher = {mathdoc},
     volume = {10},
     number = {7},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_7_a10/}
}