PageHeader : Funkcialaj Ekvacioj, 27 (1984), 85-100 Title : Semidynamical Systems with Nonunique Global Backward Title : Extensions II; the Negative Aspects AuthorInfo : By AuthorInfo : Saber ELAYDI AuthorInfo : (Kuwait University, Kuwait) section : 1. Introduction. section : 2. Negative sets. section : 3. Strong stability. section : 4. Weak stability. section : 5. Attraction and saymptotic stability. section : 6. Examples. section : References