@article{GDZPPN002357119,
title = {The smallest singularity of a Hilbert series.},
journal = {Mathematica Scandinavica},
volume = {50},
year = {1982},
pages = {35-44},
zbl = {0492.16003},
url = {http://dml.mathdoc.fr/item/GDZPPN002357119}
}
Anick, David J. The smallest singularity of a Hilbert series.. Mathematica Scandinavica, Tome 50 (1982) pp. 35-44. http://gdmltest.u-ga.fr/item/GDZPPN002357119/