Luz, Maksym, and Mikhail Moklyachuk. 2023. “Filtering Problem for Sequences With Periodically Stationary Multi-Seasonal Increments With Spectral Densities Allowing Canonical Factorizations”. Statistics, Optimization & Information Computing 12 (2), 343-63. https://doi.org/10.19139/soic-2310-5070-1793.