ALI, PATRICK; DANKELMANN, PETER; MORGAN, MEGAN J.; MUKWEMBI, SIMON; SWART, HENDA; VETRÍK, TOMÁS. The average eccentricity, spanning trees of plane graphs, size and order. Utilitas Mathematica , [S. l.], v. 107, 2018. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1322. Acesso em: 26 may. 2026.