TY  - BOOK
AU  - Mcbride Elna B
TI  - Obtaining generating functions
T2  - Springer tracts in natural philosophy; 21
U1  - B39, L1 
PY  - 1971///
CY  - New York    
PB  -  Springer Verlag       
KW  - Functions
N1  - Bibliography p97
ER  -