@article{CMUC_1989__30_2_a20,
     author = {Slov\'ak, Jan},
     title = {On natural connections on {Riemannian} manifolds},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {389--393},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {1989},
     mrnumber = {1014139},
     zbl = {0679.53025},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1989__30_2_a20/}
}