中国科学院数学与系统科学研究院期刊网
Seymour's Second Neighborhood Conjecture for Line Digraph of Digraph and Its Jump Digraph
Juan Liu, Hong Yang, Xindong Zhang, Hong-Jian Lai
Acta Mathematica Sinica, Chinese Series . 2025, (6): 937 -952 .  DOI: 10.12386/A20240031