@article{GDZPPN002096870,
title = {Bifurcations in One Dimension. II. A Versal Model for Bifurcations.},
journal = {Inventiones mathematicae},
volume = {64},
year = {1981},
pages = {1-16},
zbl = {0475.58015},
url = {http://dml.mathdoc.fr/item/GDZPPN002096870}
}
Jonker, Leo; Rand, David. Bifurcations in One Dimension. II. A Versal Model for Bifurcations.. Inventiones mathematicae, Tome 64 (1981) pp. 1-16. http://gdmltest.u-ga.fr/item/GDZPPN002096870/