Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1946__19_138887, author = {Georges de de Rham and Pierre Bidal}, title = {Les formes diff\'erentielles harmoniques.}, journal = {Commentarii mathematici Helvetici}, pages = {1--49}, publisher = {mathdoc}, volume = {19}, year = {1946}, zbl = {0063.00378}, url = {http://geodesic.mathdoc.fr/item/CMH_1946__19_138887/} }
Georges de de Rham; Pierre Bidal. Les formes différentielles harmoniques.. Commentarii mathematici Helvetici, Tome 19 (1946), pp. 1-49. http://geodesic.mathdoc.fr/item/CMH_1946__19_138887/