@article{IVM_1971_5_a11,
     author = {B. A. Rozenfel'd and T. M. Bakholdina and L. V. Lyubisheva and S. N. Mogal'kova},
     title = {Riemannian curvature of quadratic complex, double, and dual elliptic spaces},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {82--91},
     publisher = {mathdoc},
     number = {5},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1971_5_a11/}
}