PageHeader : Funkcialaj Ekvacioj, 31 (1988) 161-178 Title : Efficient Application of the Schauder-Tychonoff Theorem Title : to Functional Perturbations of $x^{(n)}=0$ AuthorInfo : By AuthorInfo : William F. TRENCH AuthorInfo : (Trinity University, U. S. A.) section : 1. Introduction section : 2. Preliminary considerations section : 3. The main theorem section : 4. Applications of the main theorem section : References