@inproceedings{Ambainis_2007,
    doi = {10.1109/focs.2007.57},
    url = {https://doi.org/10.1109%2Ffocs.2007.57},
    year = {2007},
    month = {oct},
    publisher = {{IEEE}},
    author = {Andris Ambainis and Andrew M. Childs and Ben W. Reichardt and Robert Spalek and Shengyu Zhang},
    title = {Any {AND}-{OR} Formula of Size N can be Evaluated in time on a Quantum Computer},
    booktitle = {48th Annual {IEEE} Symposium on Foundations of Computer Science ({FOCS}{\textquotesingle}07)}
}

@inproceedings{Ambainis_2007, doi = {10.1109/focs.2007.57}, url = {https://doi.org/10.1109%2Ffocs.2007.57}, year = {2007}, month = {oct}, publisher = {{IEEE}}, author = {Andris Ambainis and Andrew M. Childs and Ben W. Reichardt and Robert Spalek and Shengyu Zhang}, title = {Any {AND}-{OR} Formula of Size N can be Evaluated in time on a Quantum Computer}, booktitle = {48th Annual {IEEE} Symposium on Foundations of Computer Science ({FOCS}{\textquotesingle}07)} }