KANWAL, S.; VERMA, P. D. Unsteady Flow of a Viscous Fluid Through an Annulus. Defence Science Journal, [S. l.], v. 32, n. 3, p. 225–229, 2014. DOI: 10.14429/dsj.32.6299. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6299. Acesso em: 16 jun. 2025.