TY  - BOOK
AU  - Schumacher, Carol
TI  - Chapter zero : fundamental notions of abstract mathematics
SN  - 0201826534
U1  - 511.3 SCH 
PY  - 1977///
CY  - New York
PB  - Addison -Wesley Pulishing Company
KW  - Mathematics
KW  - ME
ER  -