@article{1177013439, author = {Stewart, G. W.}, title = {Collinearity and Least Squares Regression}, journal = {Statist. Sci.}, volume = {2}, number = {4}, year = {1987}, pages = { 68-84}, language = {en}, url = {http://dml.mathdoc.fr/item/1177013439} }
Stewart, G. W. Collinearity and Least Squares Regression. Statist. Sci., Tome 2 (1987) no. 4, pp. 68-84. http://gdmltest.u-ga.fr/item/1177013439/