%0 Journal Article %A A. V. Sidorov %A N. B. Skachkov %T Description of the widths and spectra of the bound states of two relativistic fermions %J Teoretičeskaâ i matematičeskaâ fizika %D 1981 %P 213-224 %V 46 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1981_46_2_a5/ %G ru %F TMF_1981_46_2_a5