TY  - JOUR
AU  - Luis Caffarelli
AU  - Robert J. McCann
TI  - Free boundaries in optimal transport and Monge-Ampère obstacle problems
JO  - Annals of mathematics
PY  - 2010
SP  - 673
EP  - 730
VL  - 171
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4007/annals.2010.171.673/
DO  - 10.4007/annals.2010.171.673
LA  - en
ID  - 10_4007_annals_2010_171_673
ER  -