%0 Journal Article %A M. A. Braun %A A. G. Izergin %T Composite and elementary particles with the same quantum numbers in quantum field theory %J Teoretičeskaâ i matematičeskaâ fizika %D 1971 %P 37-48 %V 8 %N 1 %U http://geodesic.mathdoc.fr/item/TMF_1971_8_1_a3/ %G ru %F TMF_1971_8_1_a3