%0 Journal Article %A M. V. Ioffe %A Yu. V. Novozhilov %A E. V. Prokhvatilov %T Investigation of the spin states norm in dual models %J Teoretičeskaâ i matematičeskaâ fizika %D 1973 %P 237-244 %V 15 %N 2 %U http://geodesic.mathdoc.fr/item/TMF_1973_15_2_a6/ %G ru %F TMF_1973_15_2_a6