@article{DE_1983_19_5_a1,
     author = {A. R. Abdullaev},
     title = {On the question of a functional-differential equation with an internal superposition operator},
     journal = {Differencialʹnye uravneni\^a},
     pages = {777--782},
     publisher = {mathdoc},
     volume = {19},
     number = {5},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1983_19_5_a1/}
}