TY  - BOOK
AU  - Freiman G A
TI  - Foundations of a structural theory of set addition
T2  - Translations of matematical monographs; 37
U1  - B217, L31 
PY  - 1973///
CY  - Providence
PB  - American Mathematical Society       
KW  -  Set theory
KW  - Numbers
ER  -