TY  - BOOK
AU  - Conference on Computer algebra (Bad Neuenahr,1987)
AU  - Janben, R., ed.
TI  - Trends in computer algebra
T2  - Lecture notes in Computer science
SN  - 3540189289
U1  - 001.642 
PY  - 1988///
CY  - Berlin
PB  - Springer-Verlag
ER  -