Kemalawati
Fungsi Bessel Spherical
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1988
 UI - Skripsi Membership
Zemyan, Stephen M.
The classical theory of integral equations : a concise treatment
Springer, 2012
 eBooks
Indriyanti
Analisis rugi rugi pada transformator karena harmonisa dengan aplikasi tahap transformer harmonic analysis program = Analysis of transformer s losses due to harmonics using thap application transformer harmonic analysis program / Indriyanti
Fakultas Teknik Universitas Indonesia, 2014
 UI - Tesis Membership
Smart, W.M.
Text-book on spherical astronomy / W. M. Smart
Cambridge University, 1962
 Buku Teks
Hochstadt, Harry
Integral equations
John Wiley & Sons, 1973
 Buku Teks