DR. B.N.PRASAD. Approximate Analytic Solution of a Self-Similar Piston Moving in an Inhomogeneous Medium. Global Journal of Science Frontier Research, [S. l.], v. 20, n. A6, p. 1–9, 2020. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/2688. Acesso em: 2 may. 2024.