@article{EXMA_1996__5_2_229628, author = {Buekenhout, Francis and Dehon, Michel and Leemans, Dimitri}, title = {All geometries of the {Mathieu} group based on maximal subgroups.}, journal = {Experimental mathematics}, pages = {101--110}, publisher = {mathdoc}, volume = {5}, number = {2}, year = {1996}, zbl = {0863.51012}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EXMA_1996__5_2_229628/} }