@article{MAN_1964__157_161248,
     author = {K.-B. Gundlach},
     title = {Die {Fixpunkte} einiger {Hilbertscher} {Modulgruppen.}},
     journal = {Mathematische Annalen},
     pages = {369--390},
     publisher = {mathdoc},
     volume = {157},
     year = {1964},
     zbl = {0134.30103},
     url = {http://geodesic.mathdoc.fr/item/MAN_1964__157_161248/}
}