[1]
N. Maïnetti, K. Boussaf, y M. Hendaoui, «Tree structure on the set of multiplicative seminorms of Krasner», Rev. mat. complut., vol. 13, n.º 1, p. 85, ene. 2000, doi: https://doi.org/10.5209/rev_REMA.2000.v13.n1.17091