@article{PM_2006_2006_1_a11,
     author = {Alaoui, M. and Haily, A.},
     title = {El inverso del lema de {Schur} en anillos de grupos.},
     journal = {Publicacions matem\`atiques},
     pages = {203-209},
     publisher = {mathdoc},
     volume = {50},
     number = {1},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_2006_2006_1_a11/}
}