TY  - BOOK
AU  - Natanson,I.P.
TI  - Theory of functions of a real variable 
U1  - 517.52 NAT  
PY  - 0000///[?].
CY  - New York : 
PB  - Frederick Ungar Publishing, Co., 
KW  - real variable
KW  - Mathematics
N1  - Includes index.
ER  -