TY - JOUR AU - A. Yu. Zaitsev TI - On the approximation of convolutions of multi-dimensional symmetric distributions by accompaning laws JO - Zapiski Nauchnykh Seminarov POMI PY - 1989 SP - 55 EP - 72 VL - 177 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1989_177_a6/ LA - ru ID - ZNSL_1989_177_a6 ER -