%0 Journal Article %A I. D. Chueshov %T Bogolyubov's operator $S(g)$ for some two-dimensional models of quantum field theory %J Teoretičeskaâ i matematičeskaâ fizika %D 1976 %P 288-296 %V 27 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1976_27_3_a1/ %G ru %F TMF_1976_27_3_a1