PETRUŠEVSKI, Mirko. COVERING THE EDGES OF A GRAPH BY FOUR ODD SUBGRAPHS. Matematichki Bilten, [S. l.], v. 39, n. 2, p. 41–51, 2015. DOI: 10.37560/matbil15200041p. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1809. Acesso em: 14 aug. 2026.