TY - JOUR AU - A. V. Abramyan AU - V. S. Pilidi TI - Criterion of uniform invertibility of regular approximations of one-dimensional singular integral operators on a piecewise-Lyapunov contour JO - Vladikavkazskij matematičeskij žurnal PY - 2019 SP - 5 EP - 15 VL - 21 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMJ_2019_21_1_a0/ LA - ru ID - VMJ_2019_21_1_a0 ER -