no. 3
Roots of multiplicative functions
Compositio Mathematica, Tome 65 (1988) no. 3, pp. 349-358. 
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     title = {Roots of multiplicative functions},
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Carroll, Tim; Gioia, A. A. Roots of multiplicative functions. Compositio Mathematica, Tome 65 (1988) no. 3, pp. 349-358. http://archive.numdam.org/item/CM_1988__65_3_349_0/

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