PageHeader : Funkcialaj Ekvacioj, 33 (1990) 291-305 Title : Galerkin Approximations for Weakly Nonlinear Title : Second Order Evolution Equations AuthorInfo : By AuthorInfo : Milan MIKLAVCIC AuthorInfo : (Michigan State University, U.S.A.) section : 1. Introduction subsection : 1.1 Theorem. Suppose section : 2. Sectorial Form Approach section : 3. Proof of Theorem 1.1 section : References