@article{DAN_1972_204_2_a19,
     author = {V. I. Burdina},
     title = {Symmetry of the function of rotation as represented by quaternions},
     journal = {Doklady Akademii Nauk},
     pages = {338--341},
     publisher = {mathdoc},
     volume = {204},
     number = {2},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_204_2_a19/}
}