@article{DAN_1963_151_4_a9,
     author = {N. S. Sinyukov},
     title = {Almost geodesic mappings of affinely connected and {Riemannian} spaces},
     journal = {Doklady Akademii Nauk},
     pages = {781--782},
     publisher = {mathdoc},
     volume = {151},
     number = {4},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_151_4_a9/}
}