@article{MSH_1968__21__39_0,
     author = {Monjardet, B.},
     title = {III. {G\'eom\'etries} planes finies. {Combinatoire} et structures alg\'ebriques},
     journal = {Math\'ematiques et sciences humaines},
     pages = {39--51},
     publisher = {Ecole Pratique des hautes \'etudes, Centre de math\'ematique sociale et de statistique},
     volume = {21},
     year = {1968},
     mrnumber = {250911},
     language = {fr},
     url = {http://www.numdam.org/item/MSH_1968__21__39_0/}
}