@article{DAN_1960_131_1_a19,
     author = {A. A. Sokolov},
     title = {The clock paradox in the motion of charged particles in a magnetic field},
     journal = {Doklady Akademii Nauk},
     pages = {75--77},
     publisher = {mathdoc},
     volume = {131},
     number = {1},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_131_1_a19/}
}