Hellwig, Jessica
Columbia University Press, 1969
Buku Teks
Griva, Igor, author
Society for Industrial and Applied Mathematics, 2009
eBooks
Marwan Asri, author
BPFE, 1986
Buku Teks
Yunita Panca Wardhani, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2010
UI - Skripsi (Open)
Pudiahwai Anton Wibowo, author
Universitas Indonesia, 2008
UI - Skripsi (Open)