@article{v010a008, author = {Allender, Eric and Lange, Klaus-J{\"o}rn}, title = {Symmetry Coincides with Nondeterminism for Time-Bounded Auxiliary Pushdown Automata}, year = {2014}, pages = {199--215}, doi = {10.4086/toc.2014.v010a008}, publisher = {Theory of Computing}, journal = {Theory of Computing}, volume = {10}, number = {8}, URL = {https://theoryofcomputing.org/articles/v010a008}, }