TY  - JOUR
AU  - Freese, Raymond W.
AU  - Andalafte, Edward Z.
TI  - A Characterization of 2-Betweenness in 2-Metric Spaces
JO  - Canadian journal of mathematics
PY  - 1966
SP  - 963
EP  - 968
VL  - 18
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-096-9/
DO  - 10.4153/CJM-1966-096-9
ID  - 10_4153_CJM_1966_096_9
ER  -