@article{MET_1987__34_176132,
     author = {W. Fieger and W. Bischoff and H. Cremers},
     title = {A {Characterization} of the {Normal} {Distribution} by {Sufficiency} of the {Least} {Squares} {Estimation.}},
     journal = {Metrika},
     pages = {259--273},
     publisher = {mathdoc},
     volume = {34},
     year = {1987},
     zbl = {0642.62006},
     url = {http://geodesic.mathdoc.fr/item/MET_1987__34_176132/}
}