TY - JOUR AU - O. A. Oleinik AU - G. A. Iosif'yan TI - Energy estimates of the generalized solutions of boundary value problems for second order elliptic equations, and their applications JO - Doklady Akademii Nauk PY - 1977 SP - 1257 EP - 1260 VL - 232 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1977_232_6_a6/ LA - ru ID - DAN_1977_232_6_a6 ER -