TY  - BOOK
AU  - Kuperman I B
TI  - Approximate linear algebra equations
T2  - New University Mathmatics Series. Ed by ET Davies and JV Armitage
SN  - 0 442 04546 8
U1  - B25,1, L1 
PY  - 1971///
CY  - London
PB  - Van Nostrand         
KW  - Matrix
ER  -