Barnett, Stephen, author
Clarendon Press, 1990
Buku Teks
Burghes, David N., author
John Wiley & Sons, 1980
Buku Teks
Lasiecka, Irena, author
Society for Industrial and Applied Mathematics, 2002
eBooks
Astrom, Karl J. (Karl Johan), 1934-, author
Academic Press, 1970
Buku Teks
Anand, D.K. (Davinder K.), 1939-, author
Pergamon Press, 1984
Buku Teks