On the existence of minimal periodic solutions for a class of second-order Hamiltonian systems. - Chun Li; Zeng-Qi Ou; Dong-Lun Wu (Appl. Math. Lett., 2015)

Solutions for fourth-order Kirchhoff type elliptic equations involving concave-convex nonlinearities in RN. - Dong-Lun Wu; Fengying Li (Comput. Math. Appl., 2020)