%0 Journal Article %A S. G. Kharatyan %T Von neumann algebras of observables with non-Abelian commutator algebra and superselection rules %J Teoretičeskaâ i matematičeskaâ fizika %D 1973 %P 306-313 %V 14 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_1973_14_3_a1/ %G ru %F TMF_1973_14_3_a1