中国科学院数学与系统科学研究院期刊网
Existence and Multiplicity of Positive Solutions for a Class of Second-Order Three-Point Nonlinear Boundary Value Problems
Qing Liu YAO
Acta Mathematica Sinica, Chinese Series . 2002, (6): 1057 -106 .  DOI: 10.12386/A2002sxxb0137