%0 Journal Article %A N. S. Bakhvalov %A M. È. Èglit %T Variational properties of averaged equations for periodic media %J Informatics and Automation %D 1990 %P 5-19 %V 192 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1990_192_a1/ %G ru %F TRSPY_1990_192_a1