@article{10_4153_CMB_1972_069_6,
     author = {Leroux, Pierre},
     title = {Une {Caracterisation} de la {Categorie} des {Groupes}},
     journal = {Canadian mathematical bulletin},
     pages = {375--380},
     year = {1972},
     volume = {15},
     number = {3},
     doi = {10.4153/CMB-1972-069-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-069-6/}
}