%0 Journal Article %A Montgomery-Smith, Stephen %A Pokorný, Milan %T A counterexample to the smoothness of the solution to an equation arising in fluid mechanics %J Commentationes Mathematicae Universitatis Carolinae %D 2002 %P 61-75 %V 43 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_2002__43_1_a5/ %G en %F CMUC_2002__43_1_a5