KUMAR, P.; SINGH, D.; TANEJA, A. K. . Redundancy Optimization for a System Comprising Two Operative Unit and N Cold Standby Units with Activation Time. Communications in Mathematics and Applications, [S. l.], v. 16, n. 2, 2025. Disponível em: https://www.journals.rgnpublications.com/index.php/cma/article/view/3088. Acesso em: 26 oct. 2025.