@article{bwmeta1.element.desklight-89333f2d-5a6a-466d-a3c3-98ab6ab84b04,
author = {Paul Erd\"os},
title = {Some remarks on subgroups of real numbers},
journal = {Colloquium Mathematicae},
volume = {42},
year = {1979},
pages = {119-120},
zbl = {0433.04002},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-89333f2d-5a6a-466d-a3c3-98ab6ab84b04}
}
Paul Erdös. Some remarks on subgroups of real numbers. Colloquium Mathematicae, Tome 42 (1979) pp. 119-120. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-89333f2d-5a6a-466d-a3c3-98ab6ab84b04/