@article{1250777988,
author = {Matsumoto, Makoto},
title = {On the Special Riemann Spaces of Class Two},
journal = {Mem. College Sci. Univ. Kyoto Ser. A Math.},
volume = {26},
number = {2},
year = {1950},
pages = { 149-157},
language = {en},
url = {http://dml.mathdoc.fr/item/1250777988}
}
Matsumoto, Makoto. On the Special Riemann Spaces of Class Two. Mem. College Sci. Univ. Kyoto Ser. A Math., Tome 26 (1950) no. 2, pp. 149-157. http://gdmltest.u-ga.fr/item/1250777988/