@article{DE_1969_5_5_a9,
     author = {L. A. Zhivotovskii},
     title = {The existence and uniqueness of the solutions of differential equations with a retardation which depends on the solution and its derivative},
     journal = {Differencialʹnye uravneni\^a},
     pages = {880--889},
     publisher = {mathdoc},
     volume = {5},
     number = {5},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1969_5_5_a9/}
}