@article{PPN517516713_0001+dmdlog14, title = {A Problem in Least Squares.}, journal = {Bulletin of the New York Mathematical Society}, volume = {1}, year = {1891}, pages = {39-42}, zbl = {23.0241.01}, url = {http://dml.mathdoc.fr/item/PPN517516713_0001+dmdlog14} }
Merriman, Mansfield. A Problem in Least Squares.. Bulletin of the New York Mathematical Society, Tome 1 (1891) pp. 39-42. http://gdmltest.u-ga.fr/item/PPN517516713_0001+dmdlog14/