Benaissa, A., and A. Matallah. 2020. “Nonhomogeneous Elliptic Kirchhoff Equations of $p$-Laplacian Type”. Ukrains’kyi Matematychnyi Zhurnal 72 (2), 184-90. https://umj.imath.kiev.ua/index.php/umj/article/view/2359.