NGUYEN, Thanh Nghia; HUYNH, Thi Kim Loan. Sufficient criteria for generalized contraction of nonlinear time – varying difference systems with delay. Dong Thap University Journal of Science, [S. l.], n. 37, p. 59–63, 2019. DOI: 10.52714/dthu.37.4.2019.683. Disponível em: https://dthujs.vn/index.php/dthujs/article/view/474. Acesso em: 8 sep. 2024.