Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS2_1967__20_165990, author = {Mitsuru Nakai and Leo Sario}, title = {Classification and {Deformation} of {Riemannian} {Spaces.}}, journal = {Mathematica Scandinavica}, pages = {193--208}, publisher = {mathdoc}, volume = {20}, year = {1967}, zbl = {0182.10601}, url = {http://geodesic.mathdoc.fr/item/MS2_1967__20_165990/} }
Mitsuru Nakai; Leo Sario. Classification and Deformation of Riemannian Spaces.. Mathematica Scandinavica, Tome 20 (1967), pp. 193-208. http://geodesic.mathdoc.fr/item/MS2_1967__20_165990/