TY  - BOOK
AU  - Luke Yudell L
TI  - Special funtions and their approximations
T2  - Mathemarics in Science and Engineering a series of monographs and textbooks
U1  - B39, K9.1;1        K9.2 
PY  - 1969///
CY  - New York    
PB  -  Academic Press       
KW  - Special functions
N1  - Bibliography 453-462p
ER  -