Андреєв, О. В., and В. І. Андрєєв. “The Method of Two-Parameter Optimal Extrapolation nestatsionarnіh Signals , Which Is Based on the Use of the Lagrange Function”. Problems of Informatization and Control 1, no. 53 (May 31, 2016): 6–13. Accessed June 14, 2026. http://jrnl.kai.edu.ua/index.php/PIU/article/view/10354.