On a functional equation related to the Ptolemaic inequality.
Alsina, C. ; Garcia-Roig, J.L.
Aequationes mathematicae, Tome 33 (1987), p. 298-303 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1987-01-01
EUDML-ID : urn:eudml:doc:137247 
@article{GDZPPN002037033,
     title = {On a functional equation related to the Ptolemaic inequality.},
     journal = {Aequationes mathematicae},
     volume = {33},
     year = {1987},
     pages = {298-303},
     zbl = {0658.39003},
     url = {http://dml.mathdoc.fr/item/GDZPPN002037033}
}

Alsina, C.; Garcia-Roig, J.L. On a functional equation related to the Ptolemaic inequality.. Aequationes mathematicae, Tome 33 (1987) pp. 298-303. http://gdmltest.u-ga.fr/item/GDZPPN002037033/