@ARTICLE\{IMM2000-0457, author = "G. H. Golub and P. C. Hansen and D. P. {O'}Leary", title = "Tikhonov Regularization and Total Least Squares", year = "2000", pages = "185-194", journal = "{SIAM} Journal of Matrix Analysis and Applications", volume = "21", editor = "", number = "", publisher = "", url = "http://www2.compute.dtu.dk/pubdb/pubs/457-full.html" }