Hasan, H.M., D.F. Ahmed, M.F. Hama, and K.H.F. Jwamer. 2021. “Central Limit Theorem in View of Subspace Convex-Cyclic Operators”. Bulletin of the Karaganda University. Mathematics Series 103 (3):25-35. https://doi.org/10.31489/2021m3/25-35.