TY  - BOOK
AU  - Shapiro, Harold S
AU  - 
TI  - Topics in approximation theory
U1  - 511.4 
PY  - 1971///
CY  - Berlin
PB  - Springer-Verlag
KW  - Mathematics
KW  - Number theory
KW  - Set theory
KW  - Group theory
KW  - Matheatical sciences
KW  - Arithmetic
KW  - Numbers
KW  - theory of numbers
KW  - Algebra
N1  -  lecture notes in mathematics, ed by H Dold, Heidelberg and B Eckmann,Zurich,187
ER  -