Čiegis, Raimondas, and Olga Suboč. “Adaptive Integration Algorithm for Stiff Ordinary Differential Equations”. Lietuvos matematikos rinkinys 39, no. III (December 17, 1999): 419–423 . Accessed January 4, 2026. https://www.zurnalai.vu.lt/LMR/article/view/35670.