@article{1177728792, author = {Graybill, Franklin A.}, title = {On Quadratic Estimates of Variance Components}, journal = {Ann. Math. Statist.}, volume = {25}, number = {4}, year = {1954}, pages = { 367-372}, language = {en}, url = {http://dml.mathdoc.fr/item/1177728792} }
Graybill, Franklin A. On Quadratic Estimates of Variance Components. Ann. Math. Statist., Tome 25 (1954) no. 4, pp. 367-372. http://gdmltest.u-ga.fr/item/1177728792/