@article{Gupta_1983,
    doi = {10.1007/bf01179757},
    url = {https://doi.org/10.1007%2Fbf01179757},
    year = {1983},
    month = {sep},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {182},
    number = {3},
    pages = {385--388},
    author = {Narain Gupta and Said Sidki},
    title = {On the Burnside problem for periodic groups},
    journal = {Mathematische Zeitschrift}
}

@article{Gupta_1983, doi = {10.1007/bf01179757}, url = {https://doi.org/10.1007%2Fbf01179757}, year = {1983}, month = {sep}, publisher = {Springer Science and Business Media {LLC}}, volume = {182}, number = {3}, pages = {385--388}, author = {Narain Gupta and Said Sidki}, title = {On the Burnside problem for periodic groups}, journal = {Mathematische Zeitschrift} }