Rongxia Hao, Yanpei Liu, Taoye Zhang, Lanshuan Xu. The genus distributions of 4-regular digraphs. Australasian J. Combinatorics, 43:79-90, 2009. [doi]
@article{HaoLZX09,
title = {The genus distributions of 4-regular digraphs},
author = {Rongxia Hao and Yanpei Liu and Taoye Zhang and Lanshuan Xu},
year = {2009},
url = {http://ajc.maths.uq.edu.au/pdf/43/ajc_v43_p079.pdf},
researchr = {https://researchr.org/publication/HaoLZX09},
cites = {0},
citedby = {0},
journal = {Australasian J. Combinatorics},
volume = {43},
pages = {79-90},
}