[2] J. Sotomayor: Generic One Parameter Families of Vector Fields on $2$ - Dimensional Manifolds. - Publ. Math. IEHS, No. 43 (1974).
[3] M. Teixeira:
Generic Bifurcation in Manifolds with Boundary-Journal of Diff. Equations. - Vol. 25, I (1977).
MR 0442994
[4] M. Teixeira:
On Structural Stability of Pairings of Vector Fields and Functions. - to appear in Boletim da Sociedade Brasileira de Matemática.
MR 0552028 |
Zbl 0419.58018