Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1973__133_171961, author = {Everett C. Dade}, title = {Normal {Subgroups} of {M-Groups} {Need} {Not} {Be} {M-Groups.}}, journal = {Mathematische Zeitschrift}, pages = {313--318}, publisher = {mathdoc}, volume = {133}, year = {1973}, zbl = {0255.20007}, url = {http://geodesic.mathdoc.fr/item/MZ_1973__133_171961/} }
Everett C. Dade. Normal Subgroups of M-Groups Need Not Be M-Groups.. Mathematische Zeitschrift, Tome 133 (1973), pp. 313-318. http://geodesic.mathdoc.fr/item/MZ_1973__133_171961/