@article {4939,
	title = {Robust estimation of fractional seasonal processes: Modeling and forecasting daily average SO 2 concentrations},
	journal = {Mathematics and Computers in Simulation},
	volume = {146},
	year = {2018},
	pages = {27-43},
	author = {V. A. Reisen and E. Z. Monte and G. C. Franco and A. M. Sgrancio and F. A. F. Molinares and P. Bondon and F. A. Ziegelmann}
}
