Multiplicity of Positive Solutions to <i>M</i>-point Boundary Value Problem of Second Order Impulsive Differential Equations

Yuan-sheng Tian, Chun-gen Liu

Acta Mathematicae Applicatae Sinica(English Series) . 2010, (1): 145 -158 . DOI: 10.1007/s10255-008-8231-6