@article{TMF_1977_32_2_a5,
     author = {R. I. Jibuti and N. B. Krupennikova and N. I. Shubitidze},
     title = {On the four-body problem},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {223--236},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1977_32_2_a5/}
}