@article{1028999193, author = {Brauer, Fred}, title = {On the completeness of biorthogonal systems.}, journal = {Michigan Math. J.}, volume = {11}, number = {1}, year = {1964}, pages = { 379-383}, language = {en}, url = {http://dml.mathdoc.fr/item/1028999193} }
Brauer, Fred. On the completeness of biorthogonal systems.. Michigan Math. J., Tome 11 (1964) no. 1, pp. 379-383. http://gdmltest.u-ga.fr/item/1028999193/