@article{DE_1970_6_5_a14,
     author = {D. U. Umbetzhanov},
     title = {The almost periodic solutions of a certain class of partial differential equations with small parameters},
     journal = {Differencialʹnye uravneni\^a},
     pages = {913--916},
     publisher = {mathdoc},
     volume = {6},
     number = {5},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1970_6_5_a14/}
}