TY - JOUR AU - Wang Kunyang AU - S. A. Telyakovskii TI - Differential properties of sums of a class of trigonometric series JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1999 SP - 24 EP - 29 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1999_1_a5/ LA - ru ID - VMUMM_1999_1_a5 ER -