@article{DE_1978_14_10_a16,
     author = {V. M. Loginov},
     title = {Averaging in systems of integro-differential equations of special type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1875--1880},
     publisher = {mathdoc},
     volume = {14},
     number = {10},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1978_14_10_a16/}
}