Mathematical Inequalities & Applications · Volume 1, Issue 4 Upper and lower solutions method for higher order discrete boundary value problems 01-53 Pages 551-557 DOI 10.7153/mia-01-53 Downloads Short PDF Full PDF PNG Authors Ravi P. Agarwal Fu-Hsiang Wong Keywords higher order discrete boundary value problem Green's function upper and lower solutions Subject classes 34B15 39A10