%0 Journal Article %A T. M. Vukolova %T Estimates of norms of functions represented as double series over cosines with multiple-monotone coefficients %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2017 %P 3-13 %N 5 %U http://geodesic.mathdoc.fr/item/VMUMM_2017_5_a0/ %G ru %F VMUMM_2017_5_a0