@article{DE_1970_6_8_a7,
     author = {V. K. Dubolar'},
     title = {The recurrent solutions of differential equations with after-effect in a {Banach} space},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1395--1401},
     publisher = {mathdoc},
     volume = {6},
     number = {8},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1970_6_8_a7/}
}