TY  - JOUR
AU  - Keith Ball
TI  - The plank problem for symmetric bodies.
JO  - Inventiones mathematicae
PY  - 1991
SP  - 535
EP  - 544
VL  - 104
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1991__104_1_143895/
ID  - IM_1991__104_1_143895
ER  -