Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1981__178_173104, author = {Emilio Bujalance}, title = {Normal {Subgroups} of {N.E.C.} {Groups.}}, journal = {Mathematische Zeitschrift}, pages = {331--342}, publisher = {mathdoc}, volume = {178}, year = {1981}, zbl = {0451.20047}, url = {http://geodesic.mathdoc.fr/item/MZ_1981__178_173104/} }
Emilio Bujalance. Normal Subgroups of N.E.C. Groups.. Mathematische Zeitschrift, Tome 178 (1981), pp. 331-342. http://geodesic.mathdoc.fr/item/MZ_1981__178_173104/