@article{TMF_1982_53_1_a2,
     author = {A. D. Linkevich and V. I. Savrin and N. B. Skachkov},
     title = {Structure functions of relativistic systems composed of two spin 1/2 particles},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {20--31},
     year = {1982},
     volume = {53},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1982_53_1_a2/}
}