Semenov, V. V., and O. S. Kharkov. “EXTRAPOLATION FROM THE PAST METHOD FOR VARIATIONAL INEQUALITIES IN A HILBERT SPACE”. Journal of Numerical and Applied Mathematics, no. 2 (December 11, 2023): 52–82. Accessed October 6, 2026. https://jnam.knu.ua/index.php/jnam/article/view/173.