SRIVASTAVA, K. N.; KUMAR, M. Two Dimensional Crack Problem. Defence Science Journal, [S. l.], v. 21, n. 3, p. 165–170, 2014. DOI: 10.14429/dsj.21.6245. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6245. Acesso em: 7 aug. 2025.