@article {4937,
	title = {Robust factor modelling for high-dimensional time series: An application to air pollution data},
	journal = {Applied Mathematics and Computation},
	volume = {346},
	year = {2019},
	pages = {842-852},
	author = {V. A. Reisen and A. M. Sgrancio and C. Levy-Leduc and P. Bondon and E. Z. Monte and H. Cotta and F. A. Ziegelmann}
}
