@article{1240435767, author = {SEKIZAWA, Masami}, title = {The nullity spaces of the conformal curvature tensor}, journal = {J. Math. Soc. Japan}, volume = {25}, number = {4}, year = {1973}, pages = { 125-131}, language = {en}, url = {http://dml.mathdoc.fr/item/1240435767} }
SEKIZAWA, Masami. The nullity spaces of the conformal curvature tensor. J. Math. Soc. Japan, Tome 25 (1973) no. 4, pp. 125-131. http://gdmltest.u-ga.fr/item/1240435767/