%0 Journal Article %A Czesław Stępniak %T Approximate sums of squares in analysis of variance %J Mathematica Applicanda %D 1977 %P 71-78 %V 5 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/ma.v5i10.1257/ %R 10.14708/ma.v5i10.1257 %G pl %F 10_14708_ma_v5i10_1257