\bib{1999/-stoc}
\yr 1999
\isbn 1--58113--067--8
\mr 2001f:68004
\book Annual ACM symposium on theory of computing: proceedings of the 31st symposium (STOC '99) held in Atlanta, GA, May 1--4, 1999
\publ Association for Computing Machinery
\publaddr New York
\endref