@article{GDZPPN000363820, title = {Geometric Optimization and Dp-Completeness.}, journal = {Discrete \& computational geometry}, volume = {4}, year = {1989}, pages = {3-14}, zbl = {0651.68055}, url = {http://dml.mathdoc.fr/item/GDZPPN000363820} }
Bajaj, C.; Li, Ming. Geometric Optimization and Dp-Completeness.. Discrete & computational geometry, Tome 4 (1989) pp. 3-14. http://gdmltest.u-ga.fr/item/GDZPPN000363820/