TY - JOUR AU - Zhang, Dong TI - An energy estimate of an exterior problem and a Liouville theorem for harmonic maps JO - Annales de l'I.H.P. Analyse non linéaire PY - 1994 DA - 1994/// SP - 633 EP - 642 VL - 11 IS - 6 PB - Gauthier-Villars UR - http://archive.numdam.org/item/AIHPC_1994__11_6_633_0/ UR - https://zbmath.org/?q=an%3A0834.58017 UR - https://www.ams.org/mathscinet-getitem?mr=1310625 LA - en ID - AIHPC_1994__11_6_633_0 ER -