@article{05122327,
title = {A symplectic approach to van den Ban's convexity theorem.},
journal = {Documenta Mathematica},
volume = {11},
year = {2006},
pages = {407-424},
zbl = {1108.53046},
language = {en},
url = {http://dml.mathdoc.fr/item/05122327}
}
Foth, Philip; Otto, Michael. A symplectic approach to van den Ban's convexity theorem.. Documenta Mathematica, Tome 11 (2006) pp. 407-424. http://gdmltest.u-ga.fr/item/05122327/