Differential Equations & Applications · Volume 11, Issue 4 Positive solutions for a fourth order differential inclusion based on the Euler-Bernoulli equation for a Cantilever beam 11-26 Pages 531-541 DOI 10.7153/dea-2019-11-26 Downloads Short PDF Full PDF PNG Authors John S. Spraker Keywords existence of solutions fourth order differential inclusion fixed point boundary value problem Ascoli theorem Subject classes 34B18 34A34 34A36 34A60 34B15 47H10