@article{TMF_1971_9_2_a2,
     author = {Yu. B. Rumer and A. I. Fet},
     title = {The group {Spin(4)} the {Mendeleev} system},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {203--210},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1971_9_2_a2/}
}