@article{TMF_1981_46_2_a5,
     author = {A. V. Sidorov and N. B. Skachkov},
     title = {Description of the widths and spectra of the bound states of two relativistic fermions},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {213--224},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1981_46_2_a5/}
}