@inproceedings{erik2003erratum,
title={Erratum to: “Spectral theory of Laplacians for Hecke groups with primitive character”},
author={Erik Balslev, and Alexei Venkov},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203343656407644},
booktitle={Acta Mathematica},
volume={192},
number={1},
pages={1-3},
year={2003},
}
Erik Balslev, and Alexei Venkov. Erratum to: “Spectral theory of Laplacians for Hecke groups with primitive character”. 2003. Vol. 192. In Acta Mathematica. pp.1-3. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203343656407644.