TY - JOUR AU - N. A. Sapogov TI - The problem of stability for J.~Marcinkiewicz's theorem JO - Zapiski Nauchnykh Seminarov POMI PY - 1979 SP - 104 EP - 124 VL - 87 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1979_87_a9/ LA - ru ID - ZNSL_1979_87_a9 ER -