%0 Journal Article %A Mieczysław Kuczyński %T Analysis of covariance in systems with split-plot design %J Mathematica Applicanda %D 1981 %V 9 %N 17 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/MA_1981__9_17_293354/ %G en %F MA_1981__9_17_293354