@article {GillisVavasis,
	title = {Fast and Robust Recursive Algorithms for Separable Nonnegative Matrix Factorization},
	journal = {IEEE Trans. Pattern Analysis and Machine Intelligence},
	volume = {36},
	year = {2013},
	note = {Arxiv link: <a href="https://arxiv.org/abs/1208.1237">https://arxiv.org/abs/1208.1237</a>},
	pages = {698-714},
	author = {N. Gillis and S. A. Vavasis}
}
