@article{DAN_1963_151_2_a24,
     author = {Yu. I. Sirotin and V. A. Koptsik},
     title = {Magnetic space symmetry of tensors},
     journal = {Doklady Akademii Nauk},
     pages = {328--331},
     publisher = {mathdoc},
     volume = {151},
     number = {2},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_151_2_a24/}
}