%0 Journal Article %A E. A. Larionov %T A commutative family of operators in a space with indefinite metric %J Matematičeskie zametki %D 1967 %P 589-594 %V 1 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1967_1_5_a11/ %G ru %F MZM_1967_1_5_a11