Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1967__174_161644, author = {J.W. Baker}, title = {Operators with {Closed} {Range.}}, journal = {Mathematische Annalen}, pages = {278--284}, publisher = {mathdoc}, volume = {174}, year = {1967}, zbl = {0155.46003}, url = {http://geodesic.mathdoc.fr/item/MAN_1967__174_161644/} }
J.W. Baker. Operators with Closed Range.. Mathematische Annalen, Tome 174 (1967), pp. 278-284. http://geodesic.mathdoc.fr/item/MAN_1967__174_161644/