Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1945__18_138881, author = {Beno Eckmann}, title = {Der {Cohomologie-Ring} einer beliebigen {Gruppe.}}, journal = {Commentarii mathematici Helvetici}, pages = {232--282}, publisher = {mathdoc}, volume = {18}, year = {1945}, zbl = {0061.40705}, url = {http://geodesic.mathdoc.fr/item/CMH_1945__18_138881/} }
Beno Eckmann. Der Cohomologie-Ring einer beliebigen Gruppe.. Commentarii mathematici Helvetici, Tome 18 (1945), pp. 232-282. http://geodesic.mathdoc.fr/item/CMH_1945__18_138881/