JAIN, P. C.; PRAKASH, C. V. S. Universal Stability Criterion for Ferro-Fluids. The Journal of the Indian Mathematical Society, [S. l.], v. 40, n. 1-4, p. 123–130, 1976. Disponível em: https://informaticsjournals.com/index.php/jims/article/view/16617. Acesso em: 2 may. 2024.