@article{urn:eudml:doc:41073, title = {Tensor products and joint spectra for solvable Lie algebras of operators.}, journal = {Collectanea Mathematica}, volume = {49}, year = {1998}, pages = {9-16}, zbl = {0926.46052}, mrnumber = {MR1629734}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41073} }
Boasso, Enrico. Tensor products and joint spectra for solvable Lie algebras of operators.. Collectanea Mathematica, Tome 49 (1998) pp. 9-16. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41073/