中国科学院数学与系统科学研究院期刊网
Trails, Paths and Cycles of Digraphs with $\alpha_{2}$-stable Number 2
Xin Dong ZHANG, Hong YANG, Hong-Jian LAI, Juan LIU
Acta Mathematica Sinica, Chinese Series . 2024, (1): 137 -150 .  DOI: 10.12386/A20220094