TY - JOUR AU - D. E. Levin TI - Removable sets for elliptic equations with discontinuous coefficients JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1997 SP - 3 EP - 6 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1997_3_a0/ LA - ru ID - VMUMM_1997_3_a0 ER -