%0 Journal Article %A Zhou, Yi %T Global weak solutions for $1+2$ dimensional wave maps into homogeneous spaces %J Annales de l'I.H.P. Analyse non linéaire %D 1999 %P 411-422 %V 16 %N 4 %I Gauthier-Villars %G en %F AIHPC_1999__16_4_411_0