TAWAKLEY, V. B.; JAIN, S. C. Application of Discrete Maximum Principle to Optimization Problem of Multiple Stage Rockets. Defence Science Journal, [S. l.], v. 18, n. 3, p. 161–172, 2014. DOI: 10.14429/dsj.18.7447. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7447. Acesso em: 6 jul. 2025.