TY  - JOUR
AU  - Mariano Giaquinta
AU  - Giuseppe Modica
TI  - The Dirichlet Energy of Mappings with values into the sphere.
JO  - Manuscripta mathematica
PY  - 1989
SP  - 489
EP  - 507
VL  - 65
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1989__65_3_155454/
ID  - MM2_1989__65_3_155454
ER  -