Petrov, Vladilen V. “SOLUTION OF NON-LINEAR PROBLEMS OF STRUCTURAL MECHANICS BY METHOD OF STEEPEST DESCENT”. International Journal for Computational Civil and Structural Engineering 13, no. 3 (September 11, 2017): 103–111. Accessed April 19, 2024. https://ijccse.iasv.ru/index.php/ijccse/article/view/55.