@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/