%0 Journal Article %A V. S. Guliev %A P. I. Lizorkin %T $\mathscr{B}$- and $\mathscr{L}$-classes of harmonic and holomorphic functions in the disc, and classes of boundary values %J Doklady Akademii Nauk %D 1991 %P 806-810 %V 319 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_319_4_a6/ %G ru %F DAN_1991_319_4_a6