MAISTRENKO, O. S. Derivative-free optimization for custom loss functions. Journal of Numerical and Applied Mathematics, [S. l.], n. 1, p. 77–89, 2025. DOI: 10.17721/2706-9699.2025.1.07. Disponível em: https://jnam.knu.ua/index.php/jnam/article/view/191. Acesso em: 6 oct. 2026.