TY - JOUR AU - G. V. Kuz'mina TI - The problems of extremal decomposition, and the coefficient inequalities in the class~$\Sigma(r)$ JO - Zapiski Nauchnykh Seminarov POMI PY - 1991 SP - 101 EP - 116 VL - 196 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1991_196_a7/ LA - ru ID - ZNSL_1991_196_a7 ER -