TY  - JOUR
AU  - Nguen Khak Tkhan'
TI  - An asymptotic formula for an arithmetic sum
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1989
SP  - 21
EP  - 26
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1989_1_a4/
LA  - ru
ID  - VMUMM_1989_1_a4
ER  -