HOFFMANN-JORGENSEN, J. Coverings of Metric Spaces with Randomly Placed Balls. MATHEMATICA SCANDINAVICA, [S. l.], v. 32, p. 169–186, 1973. DOI: 10.7146/math.scand.a-11453. Disponível em: https://www.mscand.dk/article/view/11453. Acesso em: 27 apr. 2024.