%0 Journal Article %A Wimmer, Gejza %T Linear model with variances depending on the mean value %J Mathematica slovaca %D 1992 %P 223-238 %V 42 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1992__42_2_a10/ %G en %F MASLO_1992__42_2_a10