@InProceedings{AulPenPer09, author = {V. Auletta and P. Penna and G. Persiano}, title = {Private capacities in mechanism design}, booktitle = {34th International Symposium on Mathematical Foundations of Computer Science (MFCS)}, year = {2009}, series = {LNCS}, volume = {5734}, pages = {112-123} }