TY  - JOUR
AU  - C. J. Atkin
TI  - Extension of smooth functions in infinite dimensions, I:
 unions of convex sets
JO  - Studia Mathematica
PY  - 2001
SP  - 201
EP  - 226
VL  - 146
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm146-3-1/
DO  - 10.4064/sm146-3-1
LA  - en
ID  - 10_4064_sm146_3_1
ER  -