@article{10_4153_CMB_2011_009_3,
     author = {Clou\^atre, Rapha\"el},
     title = {Universal {Power} {Series} in {CN}},
     journal = {Canadian mathematical bulletin},
     pages = {230--236},
     year = {2011},
     volume = {54},
     number = {2},
     doi = {10.4153/CMB-2011-009-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-009-3/}
}