Bibliography

GP
PARI/GP http://pari.math.u-bordeaux.fr/.

Ip
The IPython shell http://ipython.scipy.org/.

Ma
MAGMA http://magma.maths.usyd.edu.au/magma/.

Py
The Python language http://www.python.org/
Reference Manual http://docs.python.org/ref/ref.html.

SA
SAGEwebsite http://www.math.harvard.edu/SAGE/
(see also http://sage.sourceforge.net/)

Si
G.-M. Greuel, G. Pfister, and H. Schönemann. SINGULAR 3.0. A Computer Algebra System for Polynomial Computations. Centre for Computer Algebra, University of Kaiserslautern (2005). http://www.singular.uni-kl.de.

SJ
William Stein, David Joyner, SAGE: System for Algebra and Geometry Experimentation, Comm. Computer Algebra 39(2005), to appear.

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