@article{RSMUP_1993__89__19_0, author = {David, C.}, title = {$T_3$-systems of finite simple groups}, journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova}, pages = {19--27}, publisher = {Seminario Matematico of the University of Padua}, volume = {89}, year = {1993}, mrnumber = {1229039}, zbl = {0804.20028}, language = {en}, url = {http://www.numdam.org/item/RSMUP_1993__89__19_0/} }