@article{许燕;刘彦佩_84,
author = {[许燕;刘彦佩]},
title = {关于有根外-无弦平面地图计数},
publisher = {星空电竞app2026最新版学报},
year = {2008},
journal = {星空电竞app2026最新版学报},
volume = {32},
number = {3},
eid = {84},
pages = {84-86},
keywords = {有根地图;计数函数;计数;外-无弦地图},
url = https://jdxb.bjtu.edu.cn/CN/abstract/article_830.shtml
}