%0 Journal Article %A M. M. Malamud %T Disturbances of the differentiation operator in a finite, a semi-infinite, and an infinite interval %J Funkcionalʹnyj analiz i ego priloženiâ %D 1976 %P 91-92 %V 10 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1976_10_4_a12/ %G ru %F FAA_1976_10_4_a12