BOLLA, Marianna; TUSNÁDY, Gábor. CLASSIFICATION OF MULTIGRAPHS VIA SPECTRAL TECHNIQUES. Periodica Polytechnica Civil Engineering, [S. l.], v. 36, n. 4, p. 375–391, 1992. Disponível em: https://pp.bme.hu/ci/article/view/3856. Acesso em: 25 dec. 2024.