PageHeader : Funkcialaj Ekvacioj, 45 (2002) 123-140 Title : Collapsible Backward Continuation and Oscillations in Title : Retarded Differential Equations AuthorInfo : By AuthorInfo : L. A. V. CARVALHO1, K. L. COOKE2 and L. A. C. LADEIRA AuthorInfo : (Universidade Estadual de Maringa, Brazil, Pomona College, USA and ICMSC-USP, Brazil) section : 1. Introduction section : 2. Existence and uniqueness of solutions section : 3. Backward continuation of solutions section : 4. Oscillatory solutions section : 5. Two examples section : References