SURYANARAYANA, D.; VENKATESWARA RAO, N. On a Paper of Andre Schlnzfel. The Journal of the Indian Mathematical Society, [S. l.], v. 29, n. 4, p. 165–167, 1965. DOI: 10.18311/jims/1965/16813. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/16813. Acesso em: 3 may. 2024.