@article{SORT_2009_2009_1_a9,
     author = {Zuhair A. Al-Hemyari},
     title = {Some improved two-stage shrinkage testimators for the mean of normal distribution},
     journal = {Sort},
     pages = {233-248},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SORT_2009_2009_1_a9/}
}