%0 Journal Article %A S. N. Naboko %T Estimates in operator classes for a difference of functions, from the pick class, of accretive operators %J Funkcionalʹnyj analiz i ego priloženiâ %D 1990 %P 26-35 %V 24 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1990_24_3_a3/ %G ru %F FAA_1990_24_3_a3