TY  - JOUR
AU  - Andrzej Schinzel
TI  - On sums of roots of unity (Solution of two problems of R. M. Robinson)
JO  - Acta Arithmetica
PY  - 1965
SP  - 419
EP  - 432
VL  - 11
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/aa-11-4-419-432/
DO  - 10.4064/aa-11-4-419-432
LA  - en
ID  - 10_4064_aa_11_4_419_432
ER  -