%0 Journal Article %A VINH, LE ANH %T ON THE SOLVABILITY OF SYSTEMS OF SUM–PRODUCT EQUATIONS IN FINITE FIELDS %J Glasgow mathematical journal %D 2011 %P 427-435 %V 53 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089511000425/ %R 10.1017/S0017089511000425 %F 10_1017_S0017089511000425