@article{01889086,
title = {Combinatorial fans, lattice-ordered groups, and their neighbours: A short excursion.},
journal = {S\'eminaire Lotharingien de Combinatoire [electronic only]},
volume = {49},
year = {2002},
zbl = {1031.06011},
language = {en},
url = {http://dml.mathdoc.fr/item/01889086}
}
Marra, Vincenzo; Mundici, Daniele. Combinatorial fans, lattice-ordered groups, and their neighbours: A short excursion.. Séminaire Lotharingien de Combinatoire [electronic only], Tome 49 (2002) . http://gdmltest.u-ga.fr/item/01889086/