@article {BLP16,
	title = {The approximation of parabolic equations involving fractional powers of elliptic operators},
	journal = {J. Comput. Appl. Math.},
	volume = {315},
	year = {2017},
	pages = {32{\textendash}48},
	issn = {0377-0427},
	doi = {10.1016/j.cam.2016.10.016},
	url = {http://dx.doi.org/10.1016/j.cam.2016.10.016},
	author = {Bonito, Andrea and Wenyu Lei and Joseph E Pasciak}
}
