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@article{MAN_1973__201_162367, author = {Ivan Singer}, title = {On {Biorthogonal} {Systems} and {Total} {Sequences} of {Functionals.} {II.}}, journal = {Mathematische Annalen}, pages = {1--8}, publisher = {mathdoc}, volume = {201}, year = {1973}, zbl = {0233.46028}, url = {http://geodesic.mathdoc.fr/item/MAN_1973__201_162367/} }
Ivan Singer. On Biorthogonal Systems and Total Sequences of Functionals. II.. Mathematische Annalen, Tome 201 (1973), pp. 1-8. http://geodesic.mathdoc.fr/item/MAN_1973__201_162367/