%0 Journal Article %A I. M. Vul'pe %T Averaging of partial differential equations with respect to independent variables %J Differencialʹnye uravneniâ %D 1982 %P 1887-1893 %V 18 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_11_a5/ %G ru %F DE_1982_18_11_a5