Necessary conditions and sufficient conditions are given for the existence and the continuation of holomorphic solutions of partial differential equations near the characteristic boundary of an open subset of C*.
Cite this article
Ph. Pallu de la Barrière, Existence and Continuation of Holomorphic Solutions of Partial Differential Equations. Publ. Res. Inst. Math. Sci. 12 (1976), no. 99, pp. 351–355