%0 Journal Article
%A Sirakov, Boyan
%T Symmetry for exterior elliptic problems and two conjectures in potential theory
%J Annales de l'I.H.P. Analyse non linéaire
%D 2001
%P 135-156
%V 18
%N 2
%I Elsevier
%U http://www.numdam.org/item/AIHPC_2001__18_2_135_0/
%G en
%F AIHPC_2001__18_2_135_0