TY - JOUR AU - A. G. Sergeev TI - A~criterion for boundedness of singular integral operators with complicated singularities JO - Izvestiya. Mathematics PY - 1984 SP - 309 EP - 327 VL - 22 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1984_22_2_a6/ LA - en ID - IM2_1984_22_2_a6 ER -