%0 Journal Article %A Volodimir Gavran %A Vitaliy Stepukh %T On weakly semisimple derivations of the polynomial ring in two variables %J Algebra and discrete mathematics %D 2014 %P 50-58 %V 18 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2014_18_1_a6/ %G en %F ADM_2014_18_1_a6