@article{2340, author = {Wu, Ta-Sun}, title = {A note on the general cohomology theory}, journal = {Portugaliae mathematica}, volume = {18}, year = {1959}, pages = {231-233}, zbl = {0111.35402}, mrnumber = {0126268}, language = {en}, url = {http://dml.mathdoc.fr/item/2340} }
Wu, Ta-Sun. A note on the general cohomology theory. Portugaliae mathematica, Tome 18 (1959) pp. 231-233. http://gdmltest.u-ga.fr/item/2340/