References 吴崇试,《数学物理方法》,第12章 梁昆淼,《数学物理方法》,第7章 ¤胡嗣柱、倪光炯,《数学物理方法》,第9章Equations of Mathematical Physics Boundary & Initial Conditions PDE’s Well-posed Problem References ÇÂÁ§5êÆÔn{6§112Ù ù&œ§5êÆÔn{6§17Ù nÎ!X1Á§5êÆÔn{6§19Ù C. S. Wu 1›8ù êÆÔn§