%0 Journal Article %A A. I. Vahabov %T On incompleteness of the system of eigenelements of differential operators in a space of vector-valued functions %J Doklady Akademii Nauk %D 1983 %P 17-19 %V 271 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_271_1_a2/ %G ru %F DAN_1983_271_1_a2