Über den trivialen Ort von Deformationen komplexer Strukturen. Hans Werner SCHUSTER (1971) Mathematische Annalen
Unfoldings of holomorphic foliations. Xavier Gómez-Mont (1989) Publicacions Matemàtiques The objective of this paper is to give a criterium for an unfolding of a holomorphic foliation with singularities to be holomorphically trivial.