TY  - JOUR
AU  - Zhou, Guang-Liang
AU  - Sun, Zhi-Wei
TI  - On sums and products in a field
JO  - Czechoslovak Mathematical Journal
PY  - 2022
SP  - 817
EP  - 823
VL  - 72
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2021.0184-21/
DO  - 10.21136/CMJ.2021.0184-21
LA  - en
ID  - 10_21136_CMJ_2021_0184_21
ER  -