@article{RM_1962_17_2_a13,
     author = {A. K. Rybnikov},
     title = {Spaces with an affine torsion-free connection of the first order},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1962_17_2_a13/}
}