Geodesic
Reciprocals of the gcd-sum functions
Journal of integer sequences, Tome 14 (2011) no. 8
In this paper we study the reciprocals of the gcd-sum function and some related functions and improve some results of Tóth. The harmonic mean of the gcd function is also studied.
Classification : 11A25, 11N37
Keywords: gcd-sum function, regular integers, harmonic mean, unitary divisor 
@article{JIS_2011__14_8_a7,
     author = {Chen,  Shiqin and Zhai,  Wenguang},
     title = {Reciprocals of the gcd-sum functions},
     journal = {Journal of integer sequences},
     year = {2011},
     volume = {14},
     number = {8},
     zbl = {1254.11087},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2011__14_8_a7/}
}
TY  - JOUR
AU  - Chen,  Shiqin
AU  - Zhai,  Wenguang
TI  - Reciprocals of the gcd-sum functions
JO  - Journal of integer sequences
PY  - 2011
VL  - 14
IS  - 8
UR  - http://geodesic.mathdoc.fr/item/JIS_2011__14_8_a7/
LA  - en
ID  - JIS_2011__14_8_a7
ER  - 
%0 Journal Article
%A Chen,  Shiqin
%A Zhai,  Wenguang
%T Reciprocals of the gcd-sum functions
%J Journal of integer sequences
%D 2011
%V 14
%N 8
%U http://geodesic.mathdoc.fr/item/JIS_2011__14_8_a7/
%G en
%F JIS_2011__14_8_a7
Chen,  Shiqin; Zhai,  Wenguang. Reciprocals of the gcd-sum functions. Journal of integer sequences, Tome 14 (2011) no. 8. http://geodesic.mathdoc.fr/item/JIS_2011__14_8_a7/