@article{GDZPPN002317524, title = {Global Families of Local Unfoldings.}, journal = {Mathematische Annalen}, volume = {243}, year = {1979}, pages = {147-158}, zbl = {0394.58007}, url = {http://dml.mathdoc.fr/item/GDZPPN002317524} }
Jänich, Klaus. Global Families of Local Unfoldings.. Mathematische Annalen, Tome 243 (1979) pp. 147-158. http://gdmltest.u-ga.fr/item/GDZPPN002317524/