@article{Smirnov_1971,
    doi = {10.1007/bf02217801},
    url = {https://doi.org/10.1007%2Fbf02217801},
    year = {1971},
    month = {jan},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {10},
    number = {1},
    pages = {40--49},
    author = {D. M. Smirnov},
    title = {Cantor algebras with single generator I},
    journal = {Algebra and Logic}
}

@article{Smirnov_1971, doi = {10.1007/bf02217801}, url = {https://doi.org/10.1007%2Fbf02217801}, year = {1971}, month = {jan}, publisher = {Springer Science and Business Media {LLC}}, volume = {10}, number = {1}, pages = {40--49}, author = {D. M. Smirnov}, title = {Cantor algebras with single generator I}, journal = {Algebra and Logic} }