@article{DE_1982_18_2_a7,
     author = {M. I. Tramov},
     title = {The oscillatory nature of solutions of differential equations with deviating argument},
     journal = {Differencialʹnye uravneni\^a},
     pages = {245--253},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1982_18_2_a7/}
}