Kaiyrbek, O, and Zh Kudashov. “Eneralized Matrix Resolvent for Algebraic Systems at Right Site of Subspace”. Journal of Mathematics, Mechanics and Computer Science 72, no. 1 (March 29, 2012): 48–53. Accessed July 3, 2024. https://bm.kaznu.kz/index.php/kaznu/article/view/127.