A PTAS for minimum vertex dilation triangulation of a simple polygon with a constant number of sources of dilation.

Rolf Klein Christos Levcopoulos Andrzej Lingas A PTAS for minimum vertex dilation triangulation of a simple polygon with a constant number of sources of dilation. 28-34 2006 34 Comput. Geom. 1 http://dx.doi.org/10.1016/j.comgeo.2005.06.004 db/journals/comgeo/comgeo34.html#KleinLL06