ChuikoS. M., Kalinichenko Ya. V., and Boichuk A. A. “Linear Noetherian Boundary-Value Problem for a Matrix Difference Equation”. Ukrains’kyi Matematychnyi Zhurnal 72, no. 3 (March 28, 2020): 340-354. Accessed December 22, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/637.