@article{DE_1974_10_6_a9, author = {L. V. Sharova}, title = {A certain method of partial averaging in differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1074--1077}, publisher = {mathdoc}, volume = {10}, number = {6}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1974_10_6_a9/} }