%0 Journal Article %A V. V. Kapustin %T Reflexivity of operators: general methods and a~criterion for almost isometric contractions %J Algebra i analiz %D 1992 %P 141-160 %V 4 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1992_4_2_a6/ %G ru %F AA_1992_4_2_a6