Ito, Kiyosi
Society for Industrial and Applied Mathematics, 2002
eBooks
Embretson, Susan E.
Lawrence erlbaum assossiate, 2000
Buku Teks
Brown, B. Malcolm, editor
Springer, 2012
eBooks
Maula Kurnia
Fakultas Teknik Universitas Indonesia, 2006
UI - Skripsi Membership
Pintanugra Persadanta
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2008
UI - Skripsi Open