Applied Mathematics and Mechanics (English Edition) ›› 1991, Vol. 12 ›› Issue (12): 1217-1221.
• 论文 • 上一篇
宋顺成
Song Shun-cheng
摘要: In paper [5], we proposed the boundary expanding-contracting principle and the boundary expanding-contracting method (BECM). In this paper we make some complemental statements and detailed proofs about the principle.