Raol, Jitendra R., author
CRC Pres, 2008
Buku Teks
Sadovskaya, Oxana, author
Springer, 2012
eBooks
Ajaev, Vladimir S., author
[, Springer], 2012
eBooks
Scheibe, Erhard, author
Pergamon Press, 1973
Buku Teks
Michalos, James, author
Macmillan, 1965
Buku Teks