TY - JOUR AU - A. A. Kovalevsky TI - Toward the $L^1$-theory of degenerate anisotropic elliptic variational inequalities JO - Trudy Instituta matematiki i mehaniki PY - 2015 SP - 137 EP - 152 VL - 21 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2015_21_1_a13/ LA - ru ID - TIMM_2015_21_1_a13 ER -