@article{10_21136_AM_1980_103880,
     author = {Wimmer, Gejza},
     title = {On equivalence problem in linear regression models. {I.} {BLUE} of the mean value},
     journal = {Applications of Mathematics},
     pages = {417--422},
     publisher = {mathdoc},
     volume = {25},
     number = {6},
     year = {1980},
     doi = {10.21136/AM.1980.103880},
     mrnumber = {0596848},
     zbl = {0483.62055},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1980.103880/}
}