Turbal, Y., M. Turbal, D. A. Alkaleg, and A. S. S. Ali. “On the Equivalence of the Forecast Value Construction in the ‘pyramidal’ Extrapolation Method and Cubic Forecast”. Modeling, Control and Information Technologies: Proceedings of International Scientific and Practical Conference, no. 4, Oct. 2020, pp. 67-70, doi:10.31713/MCIT.2020.15.