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@article{PORMA_1968__27_1_115055, author = {McCarthy, Paul J.}, title = {Regular arithmetical convolutions}, journal = {Portugaliae mathematica}, pages = {1--13}, publisher = {mathdoc}, volume = {27}, number = {1}, year = {1968}, mrnumber = {0271015}, zbl = {0203.35304}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1968__27_1_115055/} }
McCarthy, Paul J. Regular arithmetical convolutions. Portugaliae mathematica, Tome 27 (1968) no. 1, pp. 1-13. http://geodesic.mathdoc.fr/item/PORMA_1968__27_1_115055/