@article{DE_1988_24_6_a8,
     author = {T. A. Chanturiya},
     title = {Positive decreasing solutions of nonlinear differential equations with retarded argument},
     journal = {Differencialʹnye uravneni\^a},
     pages = {993--999},
     publisher = {mathdoc},
     volume = {24},
     number = {6},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_6_a8/}
}