00265nam a2200109Ia 4500082002000000100001600020245005100036260002900087300002900116500000500145700000500150 a519.54bB626.NM aBjorck, Ake aNumerical methods for least squares problemsb aPhiladelphiabSIAMc1996 axvii, 408p. Index, Bibl. a a