PageHeader : Funkcialaj Ekvacioj, 31 (1988) 383-395 Title : On Forced Nonlinear Oscillations of a Second Order Title : Equation with Strong Restoring Term AuthorInfo : By AuthorInfo : Gabriele VILLARI and Fabio ZANOLIN AuthorInfo : (University of Firenze and University of Udine, Italy) section : 1. Introduction section : 2. The main result section : 3. The polynomial case section : References