Existence and multiplicity of positive solutions for nonlinear boundary value problems with a parameter. - Tieshan He; Fengjian Yang; Chuanyong Chen; Shiguo Peng (Comput. Math. Appl., 2011)

Infinitely many sign-changing solutions for p-Laplacian Neumann problems with indefinite weight. - Tieshan He; Chuanyong Chen; Yehui Huang; Chaojun Hou (Appl. Math. Lett., 2015)