TY - JOUR AU - Fréderic Hélein TI - Regularity of weakly harmonic maps from a surface into a manifold with symmetries. JO - Manuscripta mathematica PY - 1991 SP - 203 EP - 218 VL - 70 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM2_1991__70_1_155582/ ID - MM2_1991__70_1_155582 ER -