@article{GDZPPN002482002,
title = {On Density Properties of Certain Subgroups with Boundedness Conditions.},
journal = {Monatshefte f\"ur Mathematik},
volume = {90},
year = {1980},
pages = {141-162},
zbl = {0421.22004},
url = {http://dml.mathdoc.fr/item/GDZPPN002482002}
}
Wang, S.P. On Density Properties of Certain Subgroups with Boundedness Conditions.. Monatshefte für Mathematik, Tome 90 (1980) pp. 141-162. http://gdmltest.u-ga.fr/item/GDZPPN002482002/