%0 Journal Article
%A J. Wallner 
%T On a Problem of Elementary Differential Geometry and the Number of its Solutions
%J Journal for geometry and graphics
%D 2006
%P 155-16
%V 10
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JGG_2006_10_2_JGG_2006_10_2_a3/
%F JGG_2006_10_2_JGG_2006_10_2_a3