A generalization of a two triangle inequality.
Tsintsifas, George A.
Elemente der Mathematik, Tome 42 (1987), p. 150-153 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1987-01-01
EUDML-ID : urn:eudml:doc:141415 
@article{GDZPPN002081806,
     title = {A generalization of a two triangle inequality.},
     journal = {Elemente der Mathematik},
     volume = {42},
     year = {1987},
     pages = {150-153},
     zbl = {0714.51013},
     url = {http://dml.mathdoc.fr/item/GDZPPN002081806}
}

Tsintsifas, George A. A generalization of a two triangle inequality.. Elemente der Mathematik, Tome 42 (1987) pp. 150-153. http://gdmltest.u-ga.fr/item/GDZPPN002081806/