TY  - BOOK
AU  - Percival, A.S..
TI  - Mathematical Facts and Formulae
U1  - 511.9 
PY  - 1933///
CY  - London
PB  - Blackie & Sons Ltd
KW  - Mathematics-Facts and Formulae
KW  - Facts and Formulae-Mathematics
KW  - G-Mathematics
ER  -