TY  - JOUR
AU  - Berndt, Bruce C.
TI  - An elementary proof of some character sum identities of Apostol
JO  - Glasgow mathematical journal
PY  - 1973
SP  - 50
EP  - 53
VL  - 14
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500001713/
DO  - 10.1017/S0017089500001713
ID  - 10_1017_S0017089500001713
ER  -