%0 Journal Article %A Robert Dryło %T On the stable equivalence problem for $k[x,y]$ %J Colloquium Mathematicum %D 2011 %P 247-253 %V 124 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm124-2-9/ %R 10.4064/cm124-2-9 %G en %F 10_4064_cm124_2_9