Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1992__67_3_140274, author = {Klaus Langmann}, title = {Minimale {Erzeugendenanzahl} von {Moduln.}}, journal = {Commentarii mathematici Helvetici}, pages = {349--362}, publisher = {mathdoc}, volume = {67}, number = {3}, year = {1992}, language = {de}, url = {http://geodesic.mathdoc.fr/item/CMH_1992__67_3_140274/} }
Klaus Langmann. Minimale Erzeugendenanzahl von Moduln.. Commentarii mathematici Helvetici, Tome 67 (1992) no. 3, pp. 349-362. http://geodesic.mathdoc.fr/item/CMH_1992__67_3_140274/