Mathematical Inequalities & Applications · Volume 5, Issue 1 A general existence theorem for the singular equation (ϕp(y'))'+f(t,y)=0 05-09 Pages 69-78 DOI 10.7153/mia-05-09 Downloads Short PDF Full PDF PNG Authors Haishen Lü Donal O'Regan Keywords one-dimensional singular equation positive solution lower-upper solution method Subject classes 34B15