참고문헌
- Comm. Pure Appl. Math. v.23 MR41 no.2161 On a characterization of flow-invariant sets H.Brezis
- Communication in Applied Analysis v.1 no.3 On the existence and uniquensess of solutions for nonlinear differential equations in probabilistic normed spaces J.K.Kim;B.J.Jin
- Probablistic metric spaces and nonlinear operator theory S.S.Chang;Y.J.Cho;S.M.Kang
- Math. Soc. Japan v.22 Differential equations on convex sets M.G.Crandall