Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1966__163_161351, author = {A.E. Taylor}, title = {Theorems on {Ascent,} {Descent,} {Nullity} and {Defect} of {Linear} {Operators.}}, journal = {Mathematische Annalen}, pages = {18--49}, publisher = {mathdoc}, volume = {163}, year = {1966}, zbl = {0138.07602}, url = {http://geodesic.mathdoc.fr/item/MAN_1966__163_161351/} }
A.E. Taylor. Theorems on Ascent, Descent, Nullity and Defect of Linear Operators.. Mathematische Annalen, Tome 163 (1966), pp. 18-49. http://geodesic.mathdoc.fr/item/MAN_1966__163_161351/