@article{DAN_1980_254_5_a26,
     author = {E. V. Chuprunov and T. N. Tarkhova and A. L. Talis and N. V. Belov},
     title = {Special positions in {Fedorov} groups},
     journal = {Doklady Akademii Nauk},
     pages = {1131--1133},
     publisher = {mathdoc},
     volume = {254},
     number = {5},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_254_5_a26/}
}