TY  - BOOK
AU  - Shanahan,Patrick
TI  - Introductory college mathematics / 
U1  - 510 SHA  
PY  - 1963///
CY  - New Jersey : 
PB  - Prentice-Hall, INC., 
KW  - Functions
KW  - Groups
KW  - Natural numbers
KW  - Rational numbers
ER  -