%0 Journal Article %A T. Jahn %A H. Martini %A C. Richter %T Bi- and Multifocal Curves and Surfaces for Gauges %J Journal of convex analysis %D 2016 %P 733-774 %V 23 %N 3 %U http://geodesic.mathdoc.fr/item/JCA_2016_23_3_JCA_2016_23_3_a5/ %F JCA_2016_23_3_JCA_2016_23_3_a5