%0 Journal Article %A G. V. Sandrakov %T Homogenization of variational inequalities for non-linear diffusion problems in perforated domains %J Izvestiya. Mathematics %D 2005 %P 1035-1059 %V 69 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2005_69_5_a6/ %G en %F IM2_2005_69_5_a6