TY - JOUR AU - T. M. Vukolova TI - Estimates of norms of functions represented as double series over cosines with multiple-monotone coefficients JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2017 SP - 3 EP - 13 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2017_5_a0/ LA - ru ID - VMUMM_2017_5_a0 ER -