TY  - BOOK
AU  - Schaaf,William Leonard
TI  - Basic concepts of elementary mathematics
AV  - QA39 .S23 1965
U1  - 510 
PY  - 1965///]
CY  - New York
PB  - J. Wiley
KW  - Mathematics
N1  - Includes bibliographies
UR  - http://www.archive.org/details/basicconceptsofe00scha
UR  - http://www.openlibrary.org/books/OL5921537M
ER  -