Drozdov, Aleksey D.
John Wiley & Sons, 1998
Buku Teks
edited by S.G. Mikhlin; translated, Harry Hochstadt
Rinehart and Winston, 1967
Buku Teks
Rubinow, S. I., author
Society for Industrial and Applied Mathematics, 1973
eBooks
Dingyu, Xue, author
CRC Press, 2009
Buku Teks
Varga, Richard S., author
Society for Industrial and Applied Mathematics, 1990
eBooks