V.MOHANASUNDARAM ,C.V.SESHAIAH. WEIGHTED COMPOSITION OF POWERS OF QUASI PARANORMAL OPERATORS . Journal of Computational Analysis and Applications (JoCAAA), [S. l.], v. 31, n. 4, p. 1489–1497, 2023. Disponível em: https://eudoxuspress.com/index.php/pub/article/view/3135. Acesso em: 10 sep. 2026.