Nekoogar, Faranak, author
Springer, 2012
eBooks
Widayanto, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1994
UI - Skripsi (Membership)
King, Ronold W.P., author
Dover, 1965
Buku Teks
CRC Press , 1995
Buku Teks
Henna Nurdiansari, author
2013
UI - Tesis (Membership)