Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{RCM_1981__15_181711, author = {Mahmoud Kutkut}, title = {On {The} {Set} {Of} {Operators} {Having} {A} {Given} {Simply} {Connected} {Spectral} {Set.}}, journal = {Revista colombiana de matematicas}, pages = {147--156}, publisher = {mathdoc}, volume = {15}, year = {1981}, zbl = {0487.47006}, url = {http://geodesic.mathdoc.fr/item/RCM_1981__15_181711/} }
Mahmoud Kutkut. On The Set Of Operators Having A Given Simply Connected Spectral Set.. Revista colombiana de matematicas, Tome 15 (1981), pp. 147-156. http://geodesic.mathdoc.fr/item/RCM_1981__15_181711/