TY - JOUR AU - P. M. Bleher AU - M. I. Vishik TI - On a~class of pseudodifferential operators with an infinite number of variables, and applications JO - Sbornik. Mathematics PY - 1971 SP - 443 EP - 491 VL - 15 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1971_15_3_a4/ LA - en ID - SM_1971_15_3_a4 ER -