Monte Jay Meldman ... [et.al]
Van Nostrand Reinhold, 1978
Buku Teks
Hadi Kusalamwardi, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1985
UI - Skripsi (Membership)
Tsichritzis, Dionysios C., author
Academic Press, 1977
Buku Teks
Cardenas, Alfonso F., author
Allyn and Bacon, 1979
Buku Teks
Date, C.J., author
North Holland, 1975
Buku Teks