%0 Journal Article %A M. G. Muradyan %T Problems of transport in a periodic medium %J Differencialʹnye uravneniâ %D 1982 %P 1548-1551 %V 18 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_9_a4/ %G ru %F DE_1982_18_9_a4