%0 Journal Article %A D. È. Allakhverdiev %T On completeness of the system of eigenelements and adjoined elements of operators which are rational functions of a parameter %J Doklady Akademii Nauk %D 1964 %P 951-954 %V 159 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_159_5_a0/ %G ru %F DAN_1964_159_5_a0