PageHeader : Funkcialaj Ekvacioj, 34 (1991) 103-115 Title : Continuous Dependence on Obstacles in Title : Variational Inequalities AuthorInfo : By AuthorInfo : Hiroshi TOYOIZUMI section : 1. Introduction section : 2. Obstacles approaching from below section : 3. Obstacles approaching from above section : 4. Singular perturbation problems in variational inequalities section : References