%0 Journal Article %A Michael Slack %T Multiplicative operations in the Steenrod algebra for Brown–Peterson cohomology %J Fundamenta Mathematicae %D 1999 %P 81-93 %V 160 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-160-1-81-93/ %R 10.4064/fm-160-1-81-93 %G en %F 10_4064_fm_160_1_81_93