@article{GDZPPN002324024, title = {Defects of Cusp Singularities.}, journal = {Mathematische Annalen}, volume = {264}, year = {1983}, pages = {397-412}, zbl = {0504.14002}, url = {http://dml.mathdoc.fr/item/GDZPPN002324024} }
Thomas, Emery. Defects of Cusp Singularities.. Mathematische Annalen, Tome 264 (1983) pp. 397-412. http://gdmltest.u-ga.fr/item/GDZPPN002324024/