Luz, Maksym, and Mikhail Moklyachuk. “Robust Forecasting of Sequences With Periodically Stationary Long Memory Multiplicative Seasonal Increments Observed With Noise and Cointegrated Sequences”. Statistics, Optimization & Information Computing 10, no. 2 (March 23, 2022): 295-338. Accessed March 18, 2025. http://www.iapress.org/index.php/soic/article/view/1408.