TY  - JOUR
AU  - Colombo, Fabrizio
AU  - Sabadini, Irene
TI  - On some notions of spectra for quaternionic operators and for n-tuples of operators
JO  - Comptes Rendus. Mathématique
PY  - 2012
SP  - 399
EP  - 402
VL  - 350
IS  - 7-8
PB  - Elsevier
UR  - http://www.numdam.org/articles/10.1016/j.crma.2012.03.017/
DO  - 10.1016/j.crma.2012.03.017
LA  - en
ID  - CRMATH_2012__350_7-8_399_0
ER  -