@article{SMZ_2006__47_3_53168, author = {Khisamiev, A.N.}, title = {On -subsets of naturals over abelian groups.}, journal = {Sibirskij Matematicheskij Zhurnal}, pages = {695}, publisher = {mathdoc}, volume = {47}, number = {3}, year = {2006}, zbl = {1115.03038}, language = {en}, url = {https://geodesic-test.mathdoc.fr/item/SMZ_2006__47_3_53168/} }