Potter, David
John Wiley & Sons, 1973
Buku Teks
Brebbia, C.A.
Butterworth, 1983
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Marques, Severino P. C.
[Springer, ], 2012
eBooks
Krommer, Arnold R.
Society for Industrial and Applied Mathematics, 1998
eBooks
Snyder, Llewellyn R.
McGraw-Hill, 1968
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