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@article{MAN_1974__208_162552, author = {Daniel J. Randtke}, title = {A {Compact} {Operator} {Characterization} of l1.}, journal = {Mathematische Annalen}, pages = {1--8}, publisher = {mathdoc}, volume = {208}, year = {1974}, zbl = {0261.46016}, url = {http://geodesic.mathdoc.fr/item/MAN_1974__208_162552/} }
Daniel J. Randtke. A Compact Operator Characterization of l1.. Mathematische Annalen, Tome 208 (1974), pp. 1-8. http://geodesic.mathdoc.fr/item/MAN_1974__208_162552/