I. P. Goulden, William Slofstra. Annular embeddings of permutations for arbitrary genus. Journal of Combinatorial Theory, Series A, 117(3):272-288, 2010. [doi]
@article{GouldenS10,
title = {Annular embeddings of permutations for arbitrary genus},
author = {I. P. Goulden and William Slofstra},
year = {2010},
doi = {10.1016/j.jcta.2009.11.009},
url = {http://dx.doi.org/10.1016/j.jcta.2009.11.009},
researchr = {https://researchr.org/publication/GouldenS10},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {117},
number = {3},
pages = {272-288},
}