KŁOPOTEK, Mieczysław A. Spectral Clustering Versus Watanabe Theorem. Studia Informatica. System and information technology, [S. l.], v. 30, n. 1, p. 21–34, 2024. DOI: 10.34739/si.2024.30.02. Disponível em: https://czasopisma.uph.edu.pl/studiainformatica/article/view/3871. Acesso em: 27 mar. 2026.