%0 Journal Article %A Chatterjee, Kingshuk %A Ray, Kumar S. %T Watson-Crick pushdown automata %J Kybernetika %D 2017 %P 868-876 %V 53 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14736/kyb-2017-5-0868/ %R 10.14736/kyb-2017-5-0868 %G en %F 10_14736_kyb_2017_5_0868