%0 Journal Article %A E. A. Bredikhina %T The optimality of tests for the convergence of the Fourier series of almost periodic functions %J Doklady Akademii Nauk %D 1970 %P 489-491 %V 194 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1970_194_3_a1/ %G ru %F DAN_1970_194_3_a1