%0 Journal Article %A Tomas Flouri %A Jan Janousek %A Borivoj Melichar %T Subtree Matching by Pushdown Automata %J Computer Science and Information Systems %D 2010 %V 7 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CSIS_2010_7_2_a7/ %F CSIS_2010_7_2_a7