@article{champion:hal-01288947, TITLE = {{On the twist condition and c-monotone transport plans}}, AUTHOR = {Champion, Thierry and de Pascale, Luigi}, URL = {https://univ-tln.hal.science/hal-01288947}, JOURNAL = {{Discrete and Continuous Dynamical Systems - Series A}}, PUBLISHER = {{American Institute of Mathematical Sciences}}, VOLUME = {34}, NUMBER = {4}, PAGES = {1339--1353}, YEAR = {2014}, HAL_ID = {hal-01288947}, HAL_VERSION = {v1}, }