TY - JOUR AU - Heayong Shin TI - Degree 1 singularities of energy minimizing maps to a bumpy sphere. JO - Mathematische Annalen PY - 1992 SP - 509 EP - 522 VL - 293 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1992__293_4_164973/ ID - MAN_1992__293_4_164973 ER -