@article{MZM_1979_25_2_a10,
     author = {V. S. Shadnyi},
     title = {Almost-geodesic maps of {Riemannian} spaces onto spaces of constant curvature},
     journal = {Matemati\v{c}eskie zametki},
     pages = {293--298},
     publisher = {mathdoc},
     volume = {25},
     number = {2},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1979_25_2_a10/}
}