1. Konvexe Polyeder;Aleksandrov,1958
2. The rigidity of graphs II;Asimow;J. Math. Anal. Appl.,1979
3. Geometric Constraint Solving and Applications;Brüderlin,1998
4. Sur les polygones et les polyèdres, seconde mémoire;Cauchy;J. Èc. Polytech. XVIe Cahier,1813
5. Straightening polygonal arcs and convexifying polygonal cycles;Connelly;Discrete Comput. Geom.,2003