中国科学院数学与系统科学研究院期刊网
A Theorem for the Maximum Genus of a Digraph
ZHU Chengliang, CHEN Yichao
Acta Mathematicae Applicatae Sinica . 2025, (2): 184 -194 .  DOI: 10.20142/j.cnki.amas.202401042