%0 Journal Article %A Mikhail Khovanov %A Radmila Sazdanovic %T Categorifications of the polynomial ring %J Fundamenta Mathematicae %D 2015 %P 251-280 %V 230 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm230-3-3/ %R 10.4064/fm230-3-3 %G en %F 10_4064_fm230_3_3