NORDHAUSEN, K.; OJA, H. Independent Subspace Analysis Using Three Scatter Matrices. Austrian Journal of Statistics, [S. l.], v. 40, n. 1&2, p. 93–101, 2016. DOI: 10.17713/ajs.v40i1&2.201. Disponível em: https://ajs.or.at/index.php/ajs/article/view/vol40%2C%20no1%262%20-%2010. Acesso em: 12 oct. 2025.