@article{10_4153_CMB_1972_096_3,
     author = {Mehra, K. L. and Ramachandramurty, P. V.},
     title = {On {Unbiased} {Estimation} of a {Vector} {Parameter}},
     journal = {Canadian mathematical bulletin},
     pages = {547--550},
     year = {1972},
     volume = {15},
     number = {4},
     doi = {10.4153/CMB-1972-096-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-096-3/}
}