@article{GDZPPN002108267,
title = {Erratum: Teichm\"uller curves in moduli space, Eisenstein series and an application to triangular billiards. Invent. Math. 97, 553-583 (1989).},
journal = {Inventiones mathematicae},
volume = {104},
year = {1991},
pages = {447-448},
zbl = {0676.32006},
url = {http://dml.mathdoc.fr/item/GDZPPN002108267}
}
Veech, W.A. Erratum: Teichmüller curves in moduli space, Eisenstein series and an application to triangular billiards. Invent. Math. 97, 553-583 (1989).. Inventiones mathematicae, Tome 104 (1991) pp. 447-448. http://gdmltest.u-ga.fr/item/GDZPPN002108267/