Geodesic
The summation of composite functions of Euler's function
Doklady Akademii Nauk, Tome 178 (1968) no. 3, pp. 529-532 
I. Il'yasov. The summation of composite functions of Euler's function. Doklady Akademii Nauk, Tome 178 (1968) no. 3, pp. 529-532. http://geodesic.mathdoc.fr/item/DAN_1968_178_3_a5/
@article{DAN_1968_178_3_a5,
     author = {I. Il'yasov},
     title = {The summation of composite functions of {Euler's} function},
     journal = {Doklady Akademii Nauk},
     pages = {529--532},
     year = {1968},
     volume = {178},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_178_3_a5/}
}
TY  - JOUR
AU  - I. Il'yasov
TI  - The summation of composite functions of Euler's function
JO  - Doklady Akademii Nauk
PY  - 1968
SP  - 529
EP  - 532
VL  - 178
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/DAN_1968_178_3_a5/
LA  - ru
ID  - DAN_1968_178_3_a5
ER  - 
%0 Journal Article
%A I. Il'yasov
%T The summation of composite functions of Euler's function
%J Doklady Akademii Nauk
%D 1968
%P 529-532
%V 178
%N 3
%U http://geodesic.mathdoc.fr/item/DAN_1968_178_3_a5/
%G ru
%F DAN_1968_178_3_a5

Voir la notice de l'article provenant de la source Math-Net.Ru