S.N. Kharin, S.A. Kassabek, и M. Slyamkhan. «PROBLEM FROM THE THEORY OF BRIDGE EROSION». Academic Scientific Journal of Computer Science, no. 5 (октябрь 30, 2018): 68–74. просмотрено декабрь 8, 2025. https://journals.nauka-nanrk.kz/physics-mathematics/article/view/4332.