TY  - JOUR
AU  - Robert Hardt
AU  - Fang-Hua Lin
TI  - The Singular Set of an energy minimzing map from B4 to S2.
JO  - Manuscripta mathematica
PY  - 1990
SP  - 275
EP  - 290
VL  - 69
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1990__69_1_155559/
ID  - MM2_1990__69_1_155559
ER  -