TY  - BOOK
AU  - Libbrecht Ulrich
TI  - Chinese mathematics in the thirteenth century
T2  - MIT East Asian Science Series
U1  - Bv41.M, L3 
PY  - 1973///
CY  - Cambridge
PB  - MIT Press        
KW  - Histroy of mathematics
N1  - Bibliography 495-540p
ER  -