@article{TMF_2003_135_2_a7,
     author = {N. R. Sadykov},
     title = {Twistability of {Spin} {Particle} {Trajectories}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {280--288},
     publisher = {mathdoc},
     volume = {135},
     number = {2},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2003_135_2_a7/}
}