TY  - BOOK
AU  - Nachbin, Leopoldo,
AU  - Nachbin, Leopoldo,
TI  - Elements of Approximation Theory
T2  - Van Nostrand mathematical studies, no. 14
U1  - 510 NAC 
PY  - 0000///Inc
CY  - New Jersey : 
PB  - :D. Van Nostrand Company, 
KW  - Mathematics
KW  - Approximation theory
KW  - Linear topological spaces
KW  - Approximation, Théorie de
ER  -