Robust estimation of fractional seasonal processes: Modeling and forecasting daily average SO 2 concentrations,
Reisen, V. A., Monte E. Z., Franco G. C., Sgrancio A. M., Molinares F. A. F., Bondon P., and Ziegelmann F. A.
, Mathematics and Computers in Simulation, Volume 146, p.27-43, (2018)
Robust factor modelling for high-dimensional time series: An application to air pollution data,
Reisen, V. A., Sgrancio A. M., Levy-Leduc C., Bondon P., Monte E. Z., Cotta H., and Ziegelmann F. A.
, Applied Mathematics and Computation, Volume 346, p.842-852, (2019)
] 
