@article{GDZPPN002056453, title = {Un th\'eor\`eme de dualit\'e.}, journal = {Commentarii mathematici Helvetici}, volume = {29}, year = {1955}, pages = {9-26}, zbl = {0067.16101}, url = {http://dml.mathdoc.fr/item/GDZPPN002056453} }
Serre, Jean-Pierre. Un théorème de dualité.. Commentarii mathematici Helvetici, Tome 29 (1955) pp. 9-26. http://gdmltest.u-ga.fr/item/GDZPPN002056453/