GUPTA, A.; SAHU, G. K.; MISHRA, S. APPLICATION OF NONLINEAR CONTRACTION CONDITION FOR SOLUTION OF FIRST-ORDER DIFFERENTIAL SYSTEMS WITH GENERAL NONLOCAL CONDITIONS. Bangmod International Journal of Mathematical and Computational Science, Bangkok, Thailand, v. 7, p. 1–13, 2021. Disponível em: https://bangmodjmcs.com/index.php/bangmodmcs/article/view/24. Acesso em: 22 nov. 2024.