@article{GDZPPN002324377,
title = {Infinitesimal Deformations of Cusp Singularities.},
journal = {Mathematische Annalen},
volume = {264},
year = {1983},
pages = {407-422},
zbl = {0559.14001},
url = {http://dml.mathdoc.fr/item/GDZPPN002324377}
}
Behnke, Kurt. Infinitesimal Deformations of Cusp Singularities.. Mathematische Annalen, Tome 264 (1983) pp. 407-422. http://gdmltest.u-ga.fr/item/GDZPPN002324377/