Sakanushi, T., Yamada, K., Ando, Y., Nguyen, T. M., & Matsuura, S. (2010). A Design Method for Simple Multi-Period Repetitive Controllers for Multiple-Input/Multiple-Output Plants. ECTI Transactions on Electrical Engineering, Electronics, and Communications, 9(1), 202–211. https://doi.org/10.37936/ecti-eec.201191.172482