Bifurcation from relative equilibria of noncompact group actions: Skew products, meanders, and drifts. Fiedler, Bernold, Sandstede, Björn, Scheel, Arnd, Wulff, Claudia (1996) Documenta Mathematica
Birational canonical transformations and classical solutions of the sixth Painlevé equation Humihiko Watanabe (1998) Annali della Scuola Normale Superiore di Pisa - Classe di Scienze