TY  - BOOK
AU  - Bush,George C.
AU  - Obreanu,Phillip E.
TI  - Basic concepts of mathematics
U1  - 510.7/B978b 
PY  - 1965///
CY  - N.Y., London
PB  - Holt, Rinehart and Winston
KW  - Mathematics
KW  - Study and teaching
N1  - Index at the end
ER  -