摘要： Orderd tree is a common information structure that we usually encounter in the computer science and algorithm studies for computer programming. In this paper, we will give some properties of ordered trees.
王振宇. SOME PROPERTIES OF ORDERED TREES[J]. 数学物理学报, 1982, 2(1): 81-83.
Wang Zhen yu. SOME PROPERTIES OF ORDERED TREES[J]. Acta mathematica scientia,Series A, 1982, 2(1): 81-83.