@article{DE_1989_25_4_a7,
     author = {V. A. Nadareishvili},
     title = {Oscillation and nonoscillation of solutions of first-order linear differential equations with deviating argument},
     journal = {Differencialʹnye uravneni\^a},
     pages = {611--616},
     publisher = {mathdoc},
     volume = {25},
     number = {4},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1989_25_4_a7/}
}