TY - JOUR AU - M. I. Dyachenko TI - Convex sets and multiple Fourier series JO - Informatics and Automation PY - 1991 SP - 147 EP - 156 VL - 200 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1991_200_a13/ LA - ru ID - TRSPY_1991_200_a13 ER -