%0 Journal Article %A D. P. Zhelobenko %T An elementary proof of a~formula of Gel'fand and Naimark %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1963 %V 18 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1963_18_6_a4/ %G ru %F RM_1963_18_6_a4