TY  - JOUR
AU  - Jr., Arthur H. Copeland
TI  - Isotopy of 2-Dimensional Cones
JO  - Canadian journal of mathematics
PY  - 1966
SP  - 201
EP  - 210
VL  - 18
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-022-5/
DO  - 10.4153/CJM-1966-022-5
ID  - 10_4153_CJM_1966_022_5
ER  -