Outlier detection and least trimmed squares approximation using semi-definite programming.

T. D. Nguyen R. Welsch Outlier detection and least trimmed squares approximation using semi-definite programming. 3212-3226 2010 54 Computational Statistics & Data Analysis 12 http://dx.doi.org/10.1016/j.csda.2009.09.037 db/journals/csda/csda54.html#NguyenW10