@article{GDZPPN002349205,
title = {Farey Triangles and Farey Quadrangels in the Complex Plane.},
journal = {Mathematica Scandinavica},
volume = {20},
year = {1967},
pages = {241-295},
zbl = {0172.06601},
url = {http://dml.mathdoc.fr/item/GDZPPN002349205}
}
Schmidt, Asmus L. Farey Triangles and Farey Quadrangels in the Complex Plane.. Mathematica Scandinavica, Tome 20 (1967) pp. 241-295. http://gdmltest.u-ga.fr/item/GDZPPN002349205/