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@article{SF_1990__40_1_135021, author = {W.A.F. Ruppert}, title = {On group topologies and idempotents in weak almost periodic compactifications.}, journal = {Semigroup forum}, pages = {227--238}, publisher = {mathdoc}, volume = {40}, number = {1}, year = {1990}, zbl = {0689.22003}, url = {http://geodesic.mathdoc.fr/item/SF_1990__40_1_135021/} }
W.A.F. Ruppert. On group topologies and idempotents in weak almost periodic compactifications.. Semigroup forum, Tome 40 (1990) no. 1, pp. 227-238. http://geodesic.mathdoc.fr/item/SF_1990__40_1_135021/