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
Constantinescu, F.
Pergamon Press, 1980
Buku Teks