@article{RCM_1968__2_181551,
     author = {Constantino de Barros},
     title = {Une caract\'erisation des anneaux r\'eguliers},
     journal = {Revista colombiana de matematicas},
     pages = {1--5},
     publisher = {mathdoc},
     volume = {2},
     year = {1968},
     zbl = {0174.32702},
     url = {http://geodesic.mathdoc.fr/item/RCM_1968__2_181551/}
}