SOOKOO, N. THE f-NORM; A GENERALIZATION OF THE NORM OF FUNCTIONAL ANALYSIS. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 11, n. 7, p. 5388–5396, 2015. DOI: 10.24297/jam.v11i7.1216. Disponível em: https://www.rajpub.com/index.php/jam/article/view/1216. Acesso em: 4 jul. 2025.