TY  - JOUR
AU  - Graziano Crasta
TI  - A symmetry problem in the calculus of variations
JO  - Journal of the European Mathematical Society
PY  - 2006
SP  - 139
EP  - 154
VL  - 8
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4171/jems/41/
DO  - 10.4171/jems/41
ID  - JEMS_2006_8_1_a4
ER  -