@article{MZ_1967__97_170700, author = {Katsumi Nomizu and Kentaro Yano}, title = {Some {Results} {Related} to the {Equivalence} {Problem} in {Riemannian} {Geometry.}}, journal = {Mathematische Zeitschrift}, pages = {29--37}, publisher = {mathdoc}, volume = {97}, year = {1967}, zbl = {0148.15602}, url = {http://geodesic.mathdoc.fr/item/MZ_1967__97_170700/} }