References ②吴崇试,《数学物理方法》,82.1-2.3 梁昆淼,《数学物理方法》,§1.4Analytic Functions Elementary Functions References ÇÂÁ§5êÆÔn{6§§2.1 — 2.3 ù&œ§5êÆÔn{6§§1.4 nÎ!X1Á§5êÆÔn{6§§1.2, 1.3 C. S. Wu 1ù )Û¼ê