Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1931__33_168265, author = {A., Haar}, title = {\"Uber unendliche kommutative {Gruppe}}, journal = {Mathematische Zeitschrift}, pages = {129--159}, publisher = {mathdoc}, volume = {33}, year = {1931}, zbl = {0001.05502}, url = {http://geodesic.mathdoc.fr/item/MZ_1931__33_168265/} }
A., Haar. Über unendliche kommutative Gruppe. Mathematische Zeitschrift, Tome 33 (1931), pp. 129-159. http://geodesic.mathdoc.fr/item/MZ_1931__33_168265/