@article{10_37236_1983,
     author = {Fr\'ed\'eric Chapoton},
     title = {A symmetric basis of the algebra of quasi-symmetric coinvariants},
     journal = {The electronic journal of combinatorics},
     year = {2005},
     volume = {12},
     doi = {10.37236/1983},
     zbl = {1074.05089},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1983/}
}