@article{GDZPPN002035308,
title = {Roots of formal power series in one variable.},
journal = {Aequationes mathematicae},
volume = {28},
year = {1985},
pages = {40-43},
zbl = {0578.39006},
url = {http://dml.mathdoc.fr/item/GDZPPN002035308}
}
Schwaiger, J. Roots of formal power series in one variable.. Aequationes mathematicae, Tome 28 (1985) pp. 40-43. http://gdmltest.u-ga.fr/item/GDZPPN002035308/