摘要
More than thirty five years ago I learned the eoncept of manifolds and the proof of de Rham theorem from a series of lectures given by Prof. Wen-tsün Wu.Prof. Wu’ s lectures are duo to the original paper of de Rham. Though nowadays the proof of de Rham theorem is much shorter by using the abstract sheaf theory, but the constructive proof I learned gave mo much stronger impression. This made me
