@article {tsitouras2014bounds,
	title = {Bounds for variable degree rational L$\infty$ approximations to the matrix cosine},
	journal = {Computer Physics Communications},
	volume = {185},
	number = {11},
	year = {2014},
	pages = {2834{\textendash}2840},
	publisher = {North-Holland},
	author = {Tsitouras, Ch and Vasilios N. Katsikis}
}
