TY  - JOUR
AU  - M.S. Klamkin
TI  - Triangle inequalities from the triangle inequality.
JO  - Elemente der Mathematik
PY  - 1979
SP  - 49
EP  - 55
VL  - 34
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ELMA_1979__34_141228/
ID  - ELMA_1979__34_141228
ER  -