@article{01779158,
title = {On composition of formal power series.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {30},
year = {2002},
pages = {761-770},
doi = {10.1155/S0161171202107150},
zbl = {0998.13010},
language = {en},
url = {http://dml.mathdoc.fr/item/01779158}
}
Gan, Xiao-Xiong; Knox, Nathaniel. On composition of formal power series.. International Journal of Mathematics and Mathematical Sciences, Tome 30 (2002) pp. 761-770. doi : 10.1155/S0161171202107150. http://gdmltest.u-ga.fr/item/01779158/