%0 Journal Article %T Existence of solutions for second-order impulsive boundary-value problems %A Abdelkader Boucherif %A Ali S. Al-Qahtani %A Bilal Chanane %J Electronic Journal of Differential Equations %D 2012 %I Texas State University %X In this article we discuss the existence of solutions of second-order boundary-value problems subjected to impulsive effects. Our approach is based on fixed point theorems. %K Second order boundary value problems %K impulse effects %K fixed point theorem %K lower and upper solutions %U http://ejde.math.txstate.edu/Volumes/2012/24/abstr.html