References 吴崇试,《数学物理方法》,§18.3-18.6 梁昆淼,《数学物理方法》,§9.4 胡嗣柱、倪光炯,《数学物理方法》,§10.6Eigenproblem of Sturm-Liouville Eqn Method of Separation of Variables . . . References ÇÂÁ§5êÆÔn{6§§18.3 — 18.6 ù&œ§5êÆÔn{6§§9.4 nÎ!X1Á§5êÆÔn{6§§10.6 C. S. Wu 1›nù ©lCþ{o(