TY  - BOOK
AU  - Hall Marshall
TI  - Combinatorial theory
T2  - Blaisdell Book in Pure and Applied Mathematics. ed by Garrett Birkhoff and Albert w Tucker
U1  - B217, K7 
PY  - 1967///
CY  - London
PB  - Blaisdell publishing company        
KW  - Algebra
ER  -