\bib{1981/wang}
\yr 1981
\isbn 0--89791--047--8
\editor Paul S. Wang
\book SYM-SAC '81: proceedings of the 1981 ACM Symposium on Symbolic and Algebraic Computation, Snowbird, Utah, August 5--7, 1981
\publ Association for Computing Machinery
\publaddr New York
\endref