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@article{10_4064_aa123_4_6, author = {Youssef Fares}, title = {$\delta $-rings and factorial sequences preservation}, journal = {Acta Arithmetica}, pages = {377--388}, publisher = {mathdoc}, volume = {123}, number = {4}, year = {2006}, doi = {10.4064/aa123-4-6}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/aa123-4-6/} }
Youssef Fares. $\delta $-rings and factorial sequences preservation. Acta Arithmetica, Tome 123 (2006) no. 4, pp. 377-388. doi : 10.4064/aa123-4-6. http://geodesic.mathdoc.fr/articles/10.4064/aa123-4-6/
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