Miklós Ajtai, Ronald Fagin, Larry J. Stockmeyer. The Closure of Monadic NP (Extended Abstract). In STOC. pages 309-318, 1998. [doi]
@inproceedings{AjtaiFS98, title = {The Closure of Monadic NP (Extended Abstract)}, author = {Miklós Ajtai and Ronald Fagin and Larry J. Stockmeyer}, year = {1998}, doi = {10.1145/276698.276771}, url = {http://doi.acm.org/10.1145/276698.276771}, researchr = {https://researchr.org/publication/AjtaiFS98}, cites = {0}, citedby = {0}, pages = {309-318}, booktitle = {STOC}, }