PageHeader : Funkcialaj Ekvacioj, 35 (1992) 223-254 Title : On the Location of Zeros of Solutions to $w^{\prime\prime}+Aw=0$ AuthorInfo : By AuthorInfo : Enid M. STEINBART AuthorInfo : (University of New Orleans, U.S.A.) section : 1. Introduction section : 2. The theorems section : 3. Examples section : 4. Definitions and facts from Strodt theory section : 5. Proofs of the theorems section : 6. Remarks and further examples section : References