@article{Idziak_2010,
    doi = {10.1137/090775646},
    url = {https://doi.org/10.1137%2F090775646},
    year = {2010},
    month = {jan},
    publisher = {Society for Industrial {\&} Applied Mathematics ({SIAM})},
    volume = {39},
    number = {7},
    pages = {3023--3037},
    author = {Pawe{\L} Idziak and Petar Markovi{\'{c}} and Ralph McKenzie and Matthew Valeriote and Ross Willard},
    title = {Tractability and Learnability Arising from Algebras with Few Subpowers},
    journal = {{SIAM} Journal on Computing}
}

@article{Idziak_2010, doi = {10.1137/090775646}, url = {https://doi.org/10.1137%2F090775646}, year = {2010}, month = {jan}, publisher = {Society for Industrial {\&} Applied Mathematics ({SIAM})}, volume = {39}, number = {7}, pages = {3023--3037}, author = {Pawe{\L} Idziak and Petar Markovi{\'{c}} and Ralph McKenzie and Matthew Valeriote and Ross Willard}, title = {Tractability and Learnability Arising from Algebras with Few Subpowers}, journal = {{SIAM} Journal on Computing} }