mnchCOCA²⁸⁰¹³⁶⁺⁵ 基本例句 🌏僧侣峰；莫希峰 By the use of the Mnch fixed point theorem, the existence of solutions of three-point boundary-value problems for second-order impulsive integro- differential equations in Banach spaces is given. 首先引入一类被 m次积分解类刻画的脉冲积分微分方程的古典解的定义，然后利用半群理论得出古典解的存在性和唯一性。 dictall