@book{1999--stoc
,title={{Annual ACM symposium on theory of computing: proceedings of the 31st symposium (STOC '99) held in Atlanta, GA, May 1--4, 1999}}
,booktitle={{Annual ACM symposium on theory of computing: proceedings of the 31st symposium (STOC '99) held in Atlanta, GA, May 1--4, 1999}}
,ISBN={1--58113--067--8}
,MR={2001f:68004}
,publisher={Association for Computing Machinery}
,address={New York}
,year={1999}
}