Family of Ladder Graphs are Properly Lucky. Journal of Pharmaceutical Negative Results, [S. l.], p. 1579–1583, 2022. DOI: 10.47750/pnr.2022.13.S03.243. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/1329.. Acesso em: 23 jun. 2026.