@article{GDZPPN002038285,
title = {A generalization of Ostrowski's theorem on ultrametric inequalities.},
journal = {Aequationes mathematicae},
volume = {40},
year = {1990},
pages = {108-108},
url = {http://dml.mathdoc.fr/item/GDZPPN002038285}
}
Garcia-Roig, J.L. A generalization of Ostrowski's theorem on ultrametric inequalities.. Aequationes mathematicae, Tome 40 (1990) p. 108. http://gdmltest.u-ga.fr/item/GDZPPN002038285/