TY - JOUR AU - A. M. Levin TI - Calculation of the measure of incompatibility of operator equations of the first kind JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1986 SP - 499 EP - 507 VL - 26 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1986_26_4_a3/ LA - ru ID - ZVMMF_1986_26_4_a3 ER -