TY  - JOUR
AU  - Joseph Valentine
TI  - Banach-Euclidean four-point properties
JO  - Fundamenta Mathematicae
PY  - 1980
SP  - 227
EP  - 230
VL  - 106
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-106-3-227-230/
DO  - 10.4064/fm-106-3-227-230
LA  - en
ID  - 10_4064_fm_106_3_227_230
ER  -