@article{IVM_1991_7_a15,
     author = {B. A. Rozenfel'd and A. F. Masagutova},
     title = {Focally {Euclidean} and focally {Riemannian} spaces},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {78--80},
     publisher = {mathdoc},
     number = {7},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1991_7_a15/}
}