Counting the regular coverings of surfaces using the center of a group algebra

A. F. Costa, S. M. Natanzon, A. M. Porto. Counting the regular coverings of surfaces using the center of a group algebra. Eur. J. Comb., 27(2):228-234, 2006. [doi]

@article{CostaNP06,
  title = {Counting the regular coverings of surfaces using the center of a group algebra},
  author = {A. F. Costa and S. M. Natanzon and A. M. Porto},
  year = {2006},
  doi = {10.1016/j.ejc.2004.09.001},
  url = {http://dx.doi.org/10.1016/j.ejc.2004.09.001},
  tags = { algebra},
  researchr = {https://researchr.org/publication/CostaNP06},
  cites = {0},
  citedby = {0},
  journal = {Eur. J. Comb.},
  volume = {27},
  number = {2},
  pages = {228-234},
}