Richard E. Ladner, Richard J. Lipton, Larry J. Stockmeyer. Alternating Pushdown Automata (Preliminary Report). In 19th Annual Symposium on Foundations of Computer Science, 16-18 October, 1978, Ann Arbor, Michigan, USA. pages 92-106, IEEE, 1978.
@inproceedings{LadnerLS78, title = {Alternating Pushdown Automata (Preliminary Report)}, author = {Richard E. Ladner and Richard J. Lipton and Larry J. Stockmeyer}, year = {1978}, tags = {e-science}, researchr = {https://researchr.org/publication/LadnerLS78}, cites = {0}, citedby = {0}, pages = {92-106}, booktitle = {19th Annual Symposium on Foundations of Computer Science, 16-18 October, 1978, Ann Arbor, Michigan, USA}, publisher = {IEEE}, }