@article{M2AN_2009__43_4_607_0,
     author = {Chartier, Philippe and Murua, Ander},
     title = {An algebraic theory of order},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {607--630},
     publisher = {EDP-Sciences},
     volume = {43},
     number = {4},
     year = {2009},
     doi = {10.1051/m2an/2009029},
     mrnumber = {2542867},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an/2009029/}
}