@article{1177731639, author = {Koopmans, Tjalling}, title = {Serial Correlation and Quadratic Forms in Normal Variables}, journal = {Ann. Math. Statist.}, volume = {13}, number = {4}, year = {1942}, pages = { 14-33}, language = {en}, url = {http://dml.mathdoc.fr/item/1177731639} }
Koopmans, Tjalling. Serial Correlation and Quadratic Forms in Normal Variables. Ann. Math. Statist., Tome 13 (1942) no. 4, pp. 14-33. http://gdmltest.u-ga.fr/item/1177731639/