PATHAK, A. K.; TIWARI, P. Revisiting Some Pal Type Birkhoff Interpolation Problems. The Journal of the Indian Mathematical Society, [S. l.], v. 86, n. 1-2, p. 118–125, 2018. DOI: 10.18311/jims/2019/22575. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/22575. Acesso em: 3 may. 2024.