%0 Journal Article %A A. F. Shapkin %T Methods of solving Fredholm equations optimal on classes of functions %J Matematičeskie zametki %D 1974 %P 595-602 %V 15 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1974_15_4_a10/ %G ru %F MZM_1974_15_4_a10