@article{10_4153_CJM_1989_002_6,
     author = {Chacron, M.},
     title = {C-Valuations and {Normal} {C-Orderings}},
     journal = {Canadian journal of mathematics},
     pages = {14--67},
     year = {1989},
     volume = {41},
     number = {1},
     doi = {10.4153/CJM-1989-002-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1989-002-6/}
}