TY - JOUR AU - A. I. Skopin TI - The graphic construction of collecting formula for some types of groups JO - Zapiski Nauchnykh Seminarov POMI PY - 1991 SP - 140 EP - 151 VL - 191 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1991_191_a12/ LA - ru ID - ZNSL_1991_191_a12 ER -