TY - JOUR AU - A. A. Kovalevsky TI - On the summability of entropy solutions for the Dirichlet problem in a~class of non-linear elliptic fourth-order equations JO - Izvestiya. Mathematics PY - 2003 SP - 881 EP - 894 VL - 67 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2003_67_5_a1/ LA - en ID - IM2_2003_67_5_a1 ER -