@article{1255958680, author = {UNO, Masataka}, title = {On Sectional Curvature of Boggino-Damek-Ricci Type Spaces}, journal = {Tokyo J. of Math.}, volume = {23}, number = {2}, year = {2000}, pages = { 417-427}, language = {en}, url = {http://dml.mathdoc.fr/item/1255958680} }
UNO, Masataka. On Sectional Curvature of Boggino-Damek-Ricci Type Spaces. Tokyo J. of Math., Tome 23 (2000) no. 2, pp. 417-427. http://gdmltest.u-ga.fr/item/1255958680/