@article{1256053759, author = {Wu, Yel-Chiang}, title = {Two theorems on spectral sequences}, journal = {Illinois J. Math.}, volume = {13}, number = {4}, year = {1969}, pages = { 256-271}, language = {en}, url = {http://dml.mathdoc.fr/item/1256053759} }
Wu, Yel-Chiang. Two theorems on spectral sequences. Illinois J. Math., Tome 13 (1969) no. 4, pp. 256-271. http://gdmltest.u-ga.fr/item/1256053759/