%0 Journal Article
%T ON THE LOWER AND UPPER SOLUTION METHOD FOR HIGHER ORDER FUNCTIONAL BOUNDARY VALUE PROBLEMS
%A John R. Graef
%A Lingju Kong
%A Feliz M. Minhos
%A Joao Fialho
%J Applicable Analysis and Discrete Mathematics
%D 2011
%I University of Belgrade and Academic Mind
%R 10.2298/aadm110221010g
%K lower and upper solutions
%K functional boundary conditions
%K higher order problems
%K $phi $-Laplacian
%U http://pefmath.etf.rs/vol5num1/AADM-Vol5-No1-133-146.pdf