%0 Journal Article %A Dzh. È. Allakhverdiev %A R. M. Dzhabarzade %T The spectrum of a multiparameter system and a spectral theorem %J Doklady Akademii Nauk %D 1988 %P 11-13 %V 300 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1988_300_1_a0/ %G ru %F DAN_1988_300_1_a0