MANISHA M. KANKAREJ. The Structure on a Subspace of a Space with an f (an,an-1 ,an-2 ,....a2 ,a1)Structure. Journal of International Academy of Physical Sciences, [S. l.], v. 21, n. 1, p. 1–7, 2017. Disponível em: https://www.iaps.org.in/journal/index.php/journaliaps/article/view/430. Acesso em: 18 may. 2024.