TY  - BOOK
AU  - NICKEL, Karl L.E
TI  - Interval mathematics 1980: proceedings
U1  - 519.4 I-5 I 
PY  - 1980///
PB  - New York
KW  - NUMERICAL ANALYSIS -- CONGRESSES
KW  - ESSES
KW  - NUMERICAL CALCULATIONS -- COMPUTER PROGRAM
ER  -