%0 Journal Article %A P. L. Ul'yanov %T Uniqueness of series in a Haar system with monotone coefficients %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1983 %P 63-73 %N 6 %U http://geodesic.mathdoc.fr/item/VMUMM_1983_6_a7/ %G ru %F VMUMM_1983_6_a7