TY - JOUR AU - T. M. Vukolova TI - Sine and cosine series with multiply monotone coefficients JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1990 SP - 38 EP - 42 IS - 5 UR - http://geodesic.mathdoc.fr/item/VMUMM_1990_5_a7/ LA - ru ID - VMUMM_1990_5_a7 ER -