@article{IVM_1987_6_a7,
     author = {B. A. Rozenfel'd and S. L. Atanasyan and T. A. Timoshenko},
     title = {The geometry of {Hopf} fibrations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {52--57},
     year = {1987},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1987_6_a7/}
}