@article{1183407220, author = {Merriman, Mansfield}, title = {A problem in least squares}, journal = {Bull. New York Math. Soc.}, volume = {1}, number = {2}, year = {1891}, pages = { 39-42}, language = {en}, url = {http://dml.mathdoc.fr/item/1183407220} }
Merriman, Mansfield. A problem in least squares. Bull. New York Math. Soc., Tome 1 (1891) no. 2, pp. 39-42. http://gdmltest.u-ga.fr/item/1183407220/