@article {MR1072047,
	title = {Simultaneous triangularization of operators on a {B}anach space},
	journal = {J. London Math. Soc. (2)},
	volume = {41},
	number = {3},
	year = {1990},
	pages = {547{\textendash}554},
	issn = {0024-6107},
	url = {https://doi.org/10.1112/jlms/s2-41.3.547},
	author = {Katavolos, A. and Radjavi, H.}
}
