Danny Z. Chen Ovidiu Daescu Space-Efficient Algorithms for Approximating Polygonal Curves in Two-Dimensional Space. 95-111 2003 13 Int. J. Comput. Geometry Appl. 2 http://dx.doi.org/10.1142/S0218195903001086 db/journals/ijcga/ijcga13.html#ChenD03