%0 Journal Article %A A. V. Voronin %A V. N. Sushko %A S. S. Horuzhy %T Algebras of unbounded operators and vacuum superselection rules in quantum field theory. I. Some properties of Op*-algebras and vector states on them %J Teoretičeskaâ i matematičeskaâ fizika %D 1984 %P 28-48 %V 59 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1984_59_1_a1/ %G ru %F TMF_1984_59_1_a1