%0 Journal Article
%A E. Kozniewski 
%T Geometry of Roofs from the View Point of Graph Theory
%J Journal for geometry and graphics
%D 2004
%P 41-58
%V 8
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JGG_2004_8_1_JGG_2004_8_1_a4/
%F JGG_2004_8_1_JGG_2004_8_1_a4