PageHeader : Funkcialaj Ekvacioj, 29 (1986) 91-97 Title : Some Results Concerning Injectivity of $\mathscr{D}$ -Modules Title : Dedicated to Professor Taro Vra on the occasion of his retirement AuthorInfo : By AuthorInfo : Yasutaka SIBUYA*) AuthorInfo : (University of Minnesota, U.S.A.) section : 1. Introduction section : 2. Proof of Theorem 1.3. section : 3. Proof of Theorem 1.5. section : References