PageHeader : Punkcialaj $\mathrm{E}\mathrm{k}\mathrm{v}\mathrm{a}\mathrm{c}\dot{\mathrm{l}\mathrm{t}}\mathrm{o}\mathrm{j}$ , 9 (1966), 1-7
Title : A New Construction of Barrier Functions
AuthorInfo : By Kiyoshi AKO
AuthorInfo : (University of Tokyo)
section : Introduction
section : 1. Assumptions on the equation (1).
section : 2. Regular boundary points.
section : 3. Main result.
section : 4. Proof of Theorem 1.
section : 5. Proof of Theorem 1 (continued).
section : 6. A remark on Theorem 1.
section : 7. Quasilinear case.
section : 8. Linear case.