%0 Journal Article %A Nguyen Khong Tkhai %T The theory of semimoduli of infra-semi-units in ideal spaces of vector functions and its applications to integral operators %J Doklady Akademii Nauk %D 1991 %P 1303-1307 %V 317 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_317_6_a3/ %G ru %F DAN_1991_317_6_a3