TY  - JOUR
AU  - Bell, Harold
AU  - Ungar, Gerald S.
TI  - From Path Lifting and Unique Arc Lifting to Unique Path Lifting
JO  - Canadian journal of mathematics
PY  - 1973
SP  - 204
EP  - 212
VL  - 25
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1973-018-0/
DO  - 10.4153/CJM-1973-018-0
ID  - 10_4153_CJM_1973_018_0
ER  -