TY - JOUR AU - G. V. Sandrakov TI - Homogenization of variational inequalities for obstacle problems JO - Sbornik. Mathematics PY - 2005 SP - 541 EP - 560 VL - 196 IS - 4 UR - http://geodesic.mathdoc.fr/item/SM_2005_196_4_a3/ LA - en ID - SM_2005_196_4_a3 ER -