TSAGAS, G. F.; LEDGER, A. J. SOME PROPERTIES OF THE FLAG MANIFOLDS. Tamkang Journal of Mathematics, [S. l.], v. 28, n. 3, p. 211–227, 1997. DOI: 10.5556/j.tkjm.28.1997.4318. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4318. Acesso em: 19 apr. 2024.