@article{GDZPPN002348861,
title = {Classification and Deformation of Riemannian Spaces.},
journal = {Mathematica Scandinavica},
volume = {20},
year = {1967},
pages = {193-208},
zbl = {0182.10601},
url = {http://dml.mathdoc.fr/item/GDZPPN002348861}
}
Nakai, Mitsuru; Sario, Leo. Classification and Deformation of Riemannian Spaces.. Mathematica Scandinavica, Tome 20 (1967) pp. 193-208. http://gdmltest.u-ga.fr/item/GDZPPN002348861/