%0 Journal Article %A V. I. Vasyunin %T Bases of eigensubspaces and nonclassical interpolation problems %J Funkcionalʹnyj analiz i ego priloženiâ %D 1975 %P 65-66 %V 9 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1975_9_4_a10/ %G ru %F FAA_1975_9_4_a10