@article{ZVMMF_1970_10_6_a3,
     author = {A. V. Knyazev and E. I. Skvortsov},
     title = {An averaging method for integral equations and an extension of {Bogolyubov's} method},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1367--1374},
     publisher = {mathdoc},
     volume = {10},
     number = {6},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1970_10_6_a3/}
}