Bifurcation from relative equilibria of noncompact group actions: Skew products, meanders, and drifts. Fiedler, Bernold; Sandstede, Björn; Scheel, Arnd; Wulff, Claudia — 1996 Documenta Mathematica
Corner defects in almost planar interface propagation Mariana Haragus; Arnd Scheel — 2006 Annales de l'I.H.P. Analyse non linéaire