@article{SJIM_2006_9_4_a2,
     author = {R. M. Garipov},
     title = {Crystallographic classes in the {Minkowski} space~$R_{1,2}$. {I.~Theorems}},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {33--49},
     publisher = {mathdoc},
     volume = {9},
     number = {4},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2006_9_4_a2/}
}