TY  - BOOK
AU  - WILLIAMSON Benjamin
TI  - Elementary treatise on the integral calculus :  Cantaining applications to plane carves and surfaces, and also captess on the calculus of variations   
U1  - B325, J5/SC 
PY  - 1955///
CY  - Patna
PB  - Scienctific Book Co.        
ER  -