%0 Journal Article %T Macbeath's Curve and the Modular Group %J Glasgow mathematical journal %D 1986 %P 241-241 %V 28 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500006583/ %R 10.1017/S0017089500006583 %F 10_1017_S0017089500006583