@article{R_nyi_1957,
    doi = {10.1007/bf02020331},
    url = {https://doi.org/10.1007%2Fbf02020331},
    year = {1957},
    month = {sep},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {8},
    number = {3-4},
    pages = {477--493},
    author = {A. R{\'{e}}nyi},
    title = {Representations for real numbers and their ergodic properties},
    journal = {Acta Mathematica Academiae Scientiarum Hungaricae}
}

@article{R_nyi_1957, doi = {10.1007/bf02020331}, url = {https://doi.org/10.1007%2Fbf02020331}, year = {1957}, month = {sep}, publisher = {Springer Science and Business Media {LLC}}, volume = {8}, number = {3-4}, pages = {477--493}, author = {A. R{\'{e}}nyi}, title = {Representations for real numbers and their ergodic properties}, journal = {Acta Mathematica Academiae Scientiarum Hungaricae} }