@article{RCM_1977__11_181666,
     author = {Khalid Benabdallah and Robert Bradley},
     title = {Groups qui refl\`etent les d\'ecompositions de leurs quotients ou de leurs sous-groups},
     journal = {Revista colombiana de matematicas},
     pages = {121--134},
     publisher = {mathdoc},
     volume = {11},
     year = {1977},
     zbl = {0401.20047},
     url = {http://geodesic.mathdoc.fr/item/RCM_1977__11_181666/}
}