参考文献

1

Risa/Asir -- computer algebra system,
ftp://endaevor.fujitsu.co.jp/pub/isis/asir.

2

PostScript -- Language Turorial and Cookbook, (1985), Addison-Wesley

3

R.Hotta, Introduction to Algebra, Asakura-shoten, Tokyo (in Japanese).

4

T.Oaku, Gröbner basis and systems of differential equations, (1994) Seminor note series of Sophia University. (in Japanese).

5

M.Saito, B.Sturmfels, N.Takayama, Gröbner deformations of hypergeometric differential equations, to appear from Springer.

6

http://www.math.kobe-u.ac.jp/KAN and
http://www.math.kobe-u.ac.jp/$\tilde{\ }$taka

7

http://www.math.kobe-u.ac.jp/openxxx