TY  - BOOK
AU  - Tikhonov, Andrey N.
AU  - Arsenin, Vasiliy Y.
AU  - John Fritz
TI  - Solutions to ill posed problems
T2  - Scripta series in mathematics
SN  - 0470991240
U1  - 519.4 
PY  - 1977///
CY  - New york
PB  - John Wiley and sons
ER  -