Reismann, Herbert
John Wiley & Sons, 1980
Buku Teks SO
Hetenyi, M.
John Wiley & Sons, 1983
Buku Teks SO
Mawardi
Universitas Indonesia, 1996
UI - Tesis Membership
Ratih Kusmiari
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2009
UI - Skripsi Open
Gurtin, Morton E.
Society for Industrial and Applied Mathematics, 1993
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