%0 Journal Article %A V. F. Gaposhkin %T On zeros of trigonometric series with monotone coefficients %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1981 %P 13-15 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1981_9_a2/ %G ru %F IVM_1981_9_a2