TY  - JOUR
AU  - G. A. Freiman
TI  - Inverse problems in additive number theory. Addition of sets of residues modulo a prime
JO  - Doklady Akademii Nauk
PY  - 1961
SP  - 571
EP  - 573
VL  - 141
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1961_141_3_a14/
LA  - ru
ID  - DAN_1961_141_3_a14
ER  -