Using the matching asymptotic expanding method, the Solutions for a class of nonliear singularly perturbed problems are discussed. Zero order asymptotic expansions of solution for boundary value problem are obtain.

• 摘要利用匹配渐近展开法，讨论了一类非线性奇摄动问题的解，得出了奇摄动边值问题的零次渐近展开式。