TY  - JOUR
AU  - George A. Tsintsifas
TI  - A generalization of a two triangle inequality.
JO  - Elemente der Mathematik
PY  - 1987
SP  - 150
EP  - 153
VL  - 42
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ELMA_1987__42_4_141415/
ID  - ELMA_1987__42_4_141415
ER  -