@article{SCC_1956-1958__1__A13_0, author = {Lazard, M.}, title = {Groupes semi-simples : structure de $B$ et de $G /B$}, journal = {S\'eminaire Claude Chevalley}, note = {talk:13}, pages = {1--13}, publisher = {Secr\'etariat math\'ematique}, volume = {1}, year = {1956-1958}, language = {fr}, url = {http://www.numdam.org/item/SCC_1956-1958__1__A13_0/} }