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@article{MOMA_1980__89_177961, author = {S.P. Wang}, title = {On {Density} {Properties} of {Certain} {Subgroups} with {Boundedness} {Conditions.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {141--162}, publisher = {mathdoc}, volume = {89}, year = {1980}, zbl = {0421.22004}, url = {http://geodesic.mathdoc.fr/item/MOMA_1980__89_177961/} }
S.P. Wang. On Density Properties of Certain Subgroups with Boundedness Conditions.. Monatshefte für Mathematik, Tome 89 (1980), pp. 141-162. http://geodesic.mathdoc.fr/item/MOMA_1980__89_177961/