TY  - BOOK
AU  - Durell,Clement V.
AU  - Robson,A.
TI  - Advanced trigonometry
U1  - 514 
PY  - 1930///
CY  - London
PB  - G. Bell and Sons, Ltd.
KW  - Algebra
KW  - The binomial series
KW  - Limits and convergence
ER  -