%0 Journal Article %A S. S. Horuzhy %T Fields and algebras of observables in models with superselection rules %J Teoretičeskaâ i matematičeskaâ fizika %D 1975 %P 291-306 %V 25 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1975_25_3_a0/ %G ru %F TMF_1975_25_3_a0