TY  - JOUR
AU  - Breen, Marilyn
TI  - Points of Local Nonconvexity and Finite Unions of Convex Sets
JO  - Canadian journal of mathematics
PY  - 1975
SP  - 376
EP  - 383
VL  - 27
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-046-6/
DO  - 10.4153/CJM-1975-046-6
ID  - 10_4153_CJM_1975_046_6
ER  -