%0 Journal Article %A Anna Bartkowiak %T Algorithm 34. Use of orthogonal components in tests for trend %J Applicationes Mathematicae %D 1974 %P 343-356 %V 14 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-14-2-343-356/ %R 10.4064/am-14-2-343-356 %G de %F 10_4064_am_14_2_343_356