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@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/} }
V. S. Shadnyi. Almost-geodesic maps of Riemannian spaces onto spaces of constant curvature. Matematičeskie zametki, Tome 25 (1979) no. 2, pp. 293-298. http://geodesic.mathdoc.fr/item/MZM_1979_25_2_a10/