Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1953__59_169394, author = {Reinhold Baer}, title = {Das {Hyperzentrum} einer {Gruppe.} {III.}}, journal = {Mathematische Zeitschrift}, pages = {299--338}, publisher = {mathdoc}, volume = {59}, year = {1953}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MZ_1953__59_169394/} }
Reinhold Baer. Das Hyperzentrum einer Gruppe. III.. Mathematische Zeitschrift, Tome 59 (1953), pp. 299-338. http://geodesic.mathdoc.fr/item/MZ_1953__59_169394/