TY  - JOUR
AU  - Sirakov, Boyan
TI  - Symmetry for exterior elliptic problems and two conjectures in potential theory
JO  - Annales de l'I.H.P. Analyse non linéaire
PY  - 2001
SP  - 135
EP  - 156
VL  - 18
IS  - 2
PB  - Elsevier
UR  - http://archive.numdam.org/item/AIHPC_2001__18_2_135_0/
LA  - en
ID  - AIHPC_2001__18_2_135_0
ER  -