Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1948__21_138949, author = {Samuel Eilenberg}, title = {Relations between cohomology groups in a complex.}, journal = {Commentarii mathematici Helvetici}, pages = {302--320}, publisher = {mathdoc}, volume = {21}, year = {1948}, zbl = {0031.18103}, url = {http://geodesic.mathdoc.fr/item/CMH_1948__21_138949/} }
Samuel Eilenberg. Relations between cohomology groups in a complex.. Commentarii mathematici Helvetici, Tome 21 (1948), pp. 302-320. http://geodesic.mathdoc.fr/item/CMH_1948__21_138949/