S. K. Fazilov, N. N. Mirzaev, S. S. Radjabov, M. K. Dadakhanov, M. A. Asraev, and F. M. Shamsiev, “State of the art of writer identification”, Int.J.Adv.CT, vol. 8, no. 12, pp. 3514–3524, Feb. 2024.