Monotone positive solutions for p -Laplacian equations with sign changing coefficients and multi-point boundary conditions. Xia, Jianye; Liu, Yuji — 2010 Electronic Journal of Differential Equations (EJDE) [electronic only]
On some special forms of simultaneous Pell equations Zhigang Li; Jianye Xia; Pingzhi Yuan — 2007 Acta Arithmetica