Selmi, Wafa. “Multiple Fast Homoclinic Solutions for a Class of Second-Order Differential Systems With $p$-Laplacian”.
Ukrains’kyi Matematychnyi Zhurnal 76, no. 9 (September 30, 2024): 1383–1394. Accessed April 11, 2025.
https://umj.imath.kiev.ua/index.php/umj/article/view/7643.