@article{DBLP:journals/ipl/Petersen94a,
author = {H. Petersen},
title = {On the Determinacy Problem for Two-Way Pushdown Automata},
journal = {Inf. Process. Lett.},
volume = {52},
number = {6},
year = {1994},
pages = {323-324},
ee = {http://dx.doi.org/10.1016/0020-0190(94)00164-2},
bibsource = {DBLP, http://dblp.uni-trier.de}
}