@article {uvigo:someproperties,
	title = {Some properties of the matrix exponential},
	journal = {IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing},
	volume = {48},
	number = {2},
	year = {2001},
	month = {February},
	pages = {213{\textendash}215},
	keywords = {exponential matrix, linear algebra},
	author = {R. L{\'o}pez-Valcarce and Soura Dasgupta}
}
