Olivia Iolana
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2019
UI - Skripsi Membership
Dian Anggraeni
Universitas Indonesia, 2010
UI - Skripsi Open
Gil, Amparo
Society for Industrial and Applied Mathematics, 2007
eBooks
Grothendieck, A.
Gordon and Breach, Science Publishers, 1975
Buku Teks SO
Constantinescu, F.
Pergamon Press, 1980
Buku Teks SO