@article{SD_1971-1972__25_2_A4_0,
     author = {Clifford, Alfred H.},
     title = {Demi-groupes bisimples unipotents \`a gauche},
     journal = {S\'eminaire Dubreil. Alg\`ebre et th\'eorie des nombres},
     note = {talk:J4},
     pages = {J1--J9},
     publisher = {Secr\'etariat math\'ematique},
     volume = {25},
     number = {2},
     year = {1971-1972},
     mrnumber = {419653},
     zbl = {0323.20062},
     language = {fr},
     url = {http://www.numdam.org/item/SD_1971-1972__25_2_A4_0/}
}