VISHWAS KHARE; M.G.TIMOL. Algorithm of Determining equations of infinitesimals for PDE of order one, two, and three using SageMath. Malaya Journal of Matematik, India, v. 9, n. 01, p. 295–301, 2021. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1020. Acesso em: 16 jul. 2024.