@book{1990-watanabe-issac
,title={{Proceedings of the international symposium on symbolic and algebraic computation '90}}
,booktitle={{Proceedings of the international symposium on symbolic and algebraic computation '90}}
,editor={Shunro Watanabe and Morio Nagata}
,ISBN={0--201--54892--5}
,publisher={Association for Computing Machinery}
,address={New York}
,year={1990}
}