Santosa S, Musthofa MW, Malahayati M. Penyelesaian Masalah Nilai Batas Persamaan Diferensial Mathieu–Hill. JFOURIER [Internet]. 2013 Oct. 31 [cited 2026 Jun. 13];2(2):91-103. Available from: https://mail.fourier.or.id/index.php/FOURIER/article/view/22