@article{GDZPPN002227045,
title = {A Sharp Bound for the Minimal Number of Generators of Perfect Height Two Ideals.},
journal = {Manuscripta mathematica},
volume = {55},
year = {1986},
pages = {93-100},
zbl = {0588.13018},
url = {http://dml.mathdoc.fr/item/GDZPPN002227045}
}
Elias, Juan. A Sharp Bound for the Minimal Number of Generators of Perfect Height Two Ideals.. Manuscripta mathematica, Tome 55 (1986) pp. 93-100. http://gdmltest.u-ga.fr/item/GDZPPN002227045/