TY  - BOOK
AU  - Nachbin,Leopoldo
TI  - Elements of approximation theory / 
U1  - 513 .83 
PY  - 1967///
CY  - Princeton, N. J. : 
PB  - Van Nostrand, 
KW  - Approximation theory
KW  - Linear topological spaces
N1  -  Includes bibliographical references (p. 114-119)
ER  -