@article{DAN_1965_164_4_a0,
     author = {Z. I. Borevich and D. K. Faddeev},
     title = {A remark on orders with a cyclic index},
     journal = {Doklady Akademii Nauk},
     pages = {727--728},
     publisher = {mathdoc},
     volume = {164},
     number = {4},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_164_4_a0/}
}