%0 Journal Article %A Yu. A. Shashkin %T The Milman--Shocke boundary and approximation theory %J Funkcionalʹnyj analiz i ego priloženiâ %D 1967 %P 95-96 %V 1 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1967_1_2_a10/ %G ru %F FAA_1967_1_2_a10