%0 Journal Article %A V. G. Kulakova %T Positive projectors in symmetric KB-spaces %J Informatics and Automation %D 1981 %P 95-102 %V 155 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1981_155_a4/ %G ru %F TRSPY_1981_155_a4