@article{AM2_1997__53_1-2_137675,
     author = {June A. Lester},
     title = {Triangles {III:} {Complex} triangle functions.},
     journal = {Aequationes mathematicae},
     pages = {4--35},
     publisher = {mathdoc},
     volume = {53},
     number = {1-2},
     year = {1997},
     zbl = {0868.51018},
     url = {http://geodesic.mathdoc.fr/item/AM2_1997__53_1-2_137675/}
}