@article{JEP_2015__2__153_0, author = {Brion, Michel and Fu, Baohua}, title = {Minimal rational curves on wonderful~group~compactifications}, journal = {Journal de l{\textquoteright}\'Ecole polytechnique - Math\'ematiques}, pages = {153--170}, publisher = {Ecole polytechnique}, volume = {2}, year = {2015}, doi = {10.5802/jep.20}, language = {en}, url = {http://www.numdam.org/articles/10.5802/jep.20/} }