TY  - JOUR
AU  - Singmaster, D.
AU  - Souppouris, D.J.
TI  - On the relationships among the axioms for a metric space and for general axiomatic systems
JO  - Portugaliae mathematica
PY  - 1978
SP  - 145
EP  - 155
VL  - 37
IS  - 1-2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PORMA_1978__37_1-2_115343/
LA  - en
ID  - PORMA_1978__37_1-2_115343
ER  -