Shijun, Liao, author
Springer, 2012
eBooks
Campbell, Stephen L., author
Wadsworth, 1990
Buku Teks
Birkhoff, Garrett, author
John Wiley & Sons, 1978
Buku Teks
Tierney, John A.
Allyn and Bacon, 1979
Buku Teks
Boyce, William E., author
John Wiley & Sons, 1977
Buku Teks