Electronic Journal of Differential Equations, Vol. 2007(2007), No. 160, pp. 1-9. Title: Resonant problem for some second-order differential equation on the half-line Author: Katarzyna Szymanska (Technical Univ. of Lodz, Poland) Abstract: We prove the existence of at least one solution to a nonlinear second-order differential equation on the half-line, with the boundary conditions $x'(0)=0$ and with the first derivative vanishing at infinity. Our main tool is the multi-valued version of the Miranda Theorem. Submitted June 20, 2007. Published November 21, 2007. Math Subject Classifications: 34B15, 34B40. Key Words: Asymptotic boundary value problem; resonant problem; nonlinear boundary value problem; set-valued maps.