[1] Xiyou Cheng and Guowei Dai, Positive solutions for p-Kirchhoff type problems on R^N, Math. Meth. Appl. Sci. 38 (2015), 2650-2662.
[2] Xiyou Cheng and Zhitao Zhang, Positive solutions for a class of multi-parameter elliptic systems, Nonlinear Analysis: RWA 14 (2013), 1551-1562.
[3] Xiyou Cheng and Xiaolin Yan, A multiplicity result of positive solutions for a class of multi-parameter ordinary differential systems, Acta Math. Appl. Sinica (English Series), 28 (2012), 653-662.
[4] Xiyou Cheng and Haishen Lyu, Multiplicity of positive solutions for a (p_1, p_2)-Laplacian system and its applications, Nonlinear Analysis: RWA 13 (2012), 2375-2390.
[5] Xiyou Cheng and Zhitao Zhang, Positive solutions for a multi-parameter system of second-order ordinary differential equations, Science China (Mathematics), 54 (2011) 959-972.
[6] Zhitao Zhang and Xiyou Cheng, Existence of positive solutions for a semilinear elliptic system, Topol. Methods Nonlinear Anal., 37 (2011) 103-116.
[7] Xiyou Cheng and Zhitao Zhang, Existence of positive solutions for a general nonlinear eigenvalue problem, Acta Math. Appl. Sinica (English Series), 27 (2011) 367-372.
[8] Xiyou Cheng and Zhitao Zhang, Existence of positive solutions to systems of nonlinear integral or differential equations, Topol. Methods Nonlinear Anal. 34 (2009) 267-277.
[9] Xiyou Cheng and Shan Ma, Existence of three nontrivial solutions for elliptic systems with critical exponents and weights, Nonlinear Anal. 69 (2008) 3537-3548.
[10] Xiyou Cheng, Existence of positive solutions for a class of second-order ordinary differential systems, Nonlinear Anal. 69 (2008) 3042-3049.
[11] Xiyou Cheng and Chengkui Zhong, Existence of three nontrivial solutions for an elliptic system, J. Math. Anal. Appl. 327 (2007) 1420-1430.
[12] Xiyou Cheng and Chengkui Zhong, Existence of positive solutions for a second-order ordinary differential system, J. Math. Anal. Appl. 312 (2005) 14-23.