The Average Order of Certain Types of Arithmetical Functions: Generalized k-free Numbers and Totient Points.
Arithmetical functions associated with the unitary divisors of an integer.
Nagell's Totient Function.
Arithmetical Notes, XIII. A Sequal to Note IV.
On the Inversion of Even Functions of Finite Abelian Groups (mod H).
Arithmetical functions of a greatest common divisor. II. An alternative approach.
Arithrnetical Notes, VII Sorne Classes of even Functions (mod r).
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