@article{GDZPPN00255061X, title = {Functional equation associated with triangle geometry. (Summary).}, journal = {Aequationes mathematicae}, volume = {45}, year = {1993}, pages = {121-121}, zbl = {0774.39006}, url = {http://dml.mathdoc.fr/item/GDZPPN00255061X} }
Kimberling, Clark. Functional equation associated with triangle geometry. (Summary).. Aequationes mathematicae, Tome 45 (1993) p. 121. http://gdmltest.u-ga.fr/item/GDZPPN00255061X/