%0 Journal Article %A Teresa Ledwina %A Jan Mielniczuk %T Variance function estimation via model selection %J Applicationes Mathematicae %D 2010 %P 387-411 %V 37 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am37-4-1/ %R 10.4064/am37-4-1 %G en %F 10_4064_am37_4_1