TY  - JOUR
AU  - W. Gmeiner
TI  - A pair of general triangle inequalities.
JO  - Elemente der Mathematik
PY  - 1989
SP  - 41
EP  - 47
VL  - 44
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ELMA_1989__44_3_141449/
ID  - ELMA_1989__44_3_141449
ER  -