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@article{MS2_1983__53_166863, author = {Erling Folner}, title = {Some special {W-almost} periodic sets on the integers.}, journal = {Mathematica Scandinavica}, pages = {185--192}, publisher = {mathdoc}, volume = {53}, year = {1983}, zbl = {0517.43005}, url = {http://geodesic.mathdoc.fr/item/MS2_1983__53_166863/} }
Erling Folner. Some special W-almost periodic sets on the integers.. Mathematica Scandinavica, Tome 53 (1983), pp. 185-192. http://geodesic.mathdoc.fr/item/MS2_1983__53_166863/