@article{AIHPC_1999__16_4_411_0, author = {Zhou, Yi}, title = {Global weak solutions for $1+2$ dimensional wave maps into homogeneous spaces}, journal = {Annales de l'I.H.P. Analyse non lin\'eaire}, pages = {411--422}, publisher = {Gauthier-Villars}, volume = {16}, number = {4}, year = {1999}, zbl = {0997.58012}, mrnumber = {1697560}, language = {en}, url = {http://www.numdam.org/item/AIHPC_1999__16_4_411_0/} }