TY - JOUR AU - V. S. Pilidi TI - Criteria for uniform invertibility of regular approximations of one-dimensional singular integral operators with piecewise continuous coefficients JO - Izvestiya. Mathematics PY - 1991 SP - 631 EP - 655 VL - 37 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1991_37_3_a8/ LA - en ID - IM2_1991_37_3_a8 ER -