TY  - JOUR
AU  - B. Birch
AU  - H Swinnerton-Dyer
TI  - Note on a problem of Chowla
JO  - Acta Arithmetica
PY  - 1959
SP  - 417
EP  - 423
VL  - 5
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/aa-5-4-417-423/
DO  - 10.4064/aa-5-4-417-423
LA  - de
ID  - 10_4064_aa_5_4_417_423
ER  -