@article{10_21136_AM_1993_104529,
     author = {Volaufov\'a, J\'ulia},
     title = {On variance of the two-stage estimator in variance-covariance components model},
     journal = {Applications of Mathematics},
     pages = {1--9},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {1993},
     doi = {10.21136/AM.1993.104529},
     mrnumber = {1202075},
     zbl = {0774.62075},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1993.104529/}
}