@inproceedings{Bangert1998Quadrikensplines, Author = {Claudia Bangert}, Title = {Quadrikensplines und Konvexität}, Booktitle = {Vortragsausz{"u}ge zum 23. Kolloqium {"u}ber Differentialgeometrie}, Year = {1998}, Pages = {3--12}, Month = may, Address = {Dresden} }