Sunarsini, Sunarsini, Sadjidon Sadjidon, and Rizky Darmawan. “Beberapa Sifat Ruang Norma Cone Bernilai-C[a,b] Pada Ruang Ip”. PRISMA, Prosiding Seminar Nasional Matematika 6 (March 5, 2023): 769-774. Accessed February 15, 2025. http://journal.unnes.ac.id/sju/prisma/article/view/66392.