TY  - BOOK
AU  - Schaaf,William Leonard
TI  - Basic concepts of elementary mathematics
SN  - 0471756717
AV  - QA39 .S23 1969
U1  - 510 
PY  - 1969///]
CY  - New York
PB  - Wiley
KW  - Mathematics
KW  - Local
N1  - Includes bibliographies
ER  -