BZOCH, R. C. Existence Conditions for an Integral of R. E. Lane. The Journal of the Indian Mathematical Society, [S. l.], v. 23, n. 3-4, p. 117–124, 1959. DOI: 10.18311/jims/1959/16940. Disponível em: https://informaticsjournals.co.in/index.php/jims/article/view/16940. Acesso em: 8 nov. 2024.