Newnham, Robert W., author
McGraw-Hill, 1979
Buku Teks
edited by Robert Scharff
McGraw-Hill, 1976
Buku Teks
DeCosse, 1995
Buku Teks
Heiserman, David L., author
Prentice-Hall, 1977
Buku Referensi
Nelson, Wayne B., author
Society for Industrial and Applied Mathematics, 2003
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