MEI, W.; LI, M.; CHENG, Y.; LIU, L. The Sigma-max System Induced from Randomness & Fuzziness and Its Application in Time Series Prediction. Contemporary Mathematics , [S. l.], v. 6, n. 5, p. 6174–6202, 2025. DOI: 10.37256/cm.6520256565. Disponível em: https://ojs.wiserpub.com/index.php/CM/article/view/6565. Acesso em: 10 jan. 2026.