BAKERY, A. Kannan Contraction Maps on the Space of Null Variable Exponent Second-Order Quantum Backward Difference Sequences of Soft Functions and Its Pre-Quasi Ideal. Thai Journal of Mathematics, [S. l.], v. 21, n. 3, p. 445–480, 2023. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1520. Acesso em: 2 may. 2024.