%0 Journal Article
%A Zhang, Dong
%T An energy estimate of an exterior problem and a Liouville theorem for harmonic maps
%J Annales de l'I.H.P. Analyse non linéaire
%D 1994
%P 633-642
%V 11
%N 6
%I Gauthier-Villars
%U http://www.numdam.org/item/AIHPC_1994__11_6_633_0/
%G en
%F AIHPC_1994__11_6_633_0