%0 Journal Article %A I. S. Lomov %T The basis property of root vectors of discontinuous second-order operators in a space of vector-functions %J Differencialʹnye uravneniâ %D 1990 %P 160-163 %V 26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_1_a20/ %G ru %F DE_1990_26_1_a20