Abhinav, Kumar, A Ghose Choudhury, and Partha Guha. “Bäcklund Transformation and Quasi-Integrable Deformation of Mixed Fermi-Pasta-Ulam and Frenkel-Kontorova Models”. Discontinuity, Nonlinearity, and Complexity 7, no. 1 (August 17, 2026): 31–41. Accessed August 17, 2026. https://lhscientificpublishing.com/index.php/DNC/article/view/1909.