%0 Journal Article %A F. S. Lisin %T Relation between approximations in the mean for analytic and for harmonic functions %J Matematičeskie zametki %D 1971 %P 627-634 %V 10 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1971_10_6_a3/ %G ru %F MZM_1971_10_6_a3