Wyld, H.W.
Benjamin/Cummings, 1979
Buku Teks SO
Mathews, Jon
W.A. Benjamin, 1965
Buku Teks SO
Wyld, H.W.
Benjamin/Cummings, 1976
Buku Teks SO
Reed, Michael
California Academic Press, 1980
Buku Teks SO
Marsden, Jerrold E.
Society for Industrial and Applied Mathematics, 1981
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