J. Korean Math. Soc. 2006; 43(6): 1253-1268
Printed November 1, 2006
Copyright © The Korean Mathematical Society.
Rahmat Ali Khan, Juan J. Nieto, and Rosana Rodriguez-Lopez
National University of Sciences and Technology (NUST), Universidad de Santiago de Compostela, Universidad de Santiago de Compostela
We develop the upper and lower solutions method for the four point problem relative to second order differential equations in order to obtain the existence of solution.
Keywords: second-order differential equations, four point problems, upper and lower solutions
MSC numbers: Primary 34A34, 34B10, 34B15
1997; 34(4): 973-1008
2008; 45(6): 1549-1559
2012; 49(1): 153-164
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