TY  - BOOK
AU  - Symposium conducted by the Mathematics Research Center, 1958.
AU  - Langer, Rudolph E., ed.
TI  - On numerical approximation - proceedings
T2  - Publication of the mathematical research centre
U1  - 511.4 
PY  - 1959///
CY  - Madison
PB  - Univ. of Wisconsin Press.
ER  -