%0 Journal Article %A S. Ya. Yakubov %T On twofold completeness of inherent and adjoined elements of a quadratic operator bundle %J Funkcionalʹnyj analiz i ego priloženiâ %D 1973 %P 92-94 %V 7 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1973_7_1_a19/ %G ru %F FAA_1973_7_1_a19