TY - JOUR AU - A. S. Popeluhin TI - Local solvability of pseudo-differential operators with double characteristics JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1988 SP - 75 EP - 77 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1988_3_a23/ LA - ru ID - VMUMM_1988_3_a23 ER -