@article{Ostrowski_1922,
    doi = {10.1007/bf02940595},
    url = {https://doi.org/10.1007%2Fbf02940595},
    year = {1922},
    month = {dec},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {1},
    number = {1},
    pages = {249--250},
    author = {Alexander Ostrowski},
    title = {Zu meiner Note: ,,Bemerkungen zur Theorie der Diophantischen Approximationen {\textquotedblleft} im l.Heft dieses Bandes},
    journal = {Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg}
}

@article{Ostrowski_1922, doi = {10.1007/bf02940595}, url = {https://doi.org/10.1007%2Fbf02940595}, year = {1922}, month = {dec}, publisher = {Springer Science and Business Media {LLC}}, volume = {1}, number = {1}, pages = {249--250}, author = {Alexander Ostrowski}, title = {Zu meiner Note: ,,Bemerkungen zur Theorie der Diophantischen Approximationen {\textquotedblleft} im l.Heft dieses Bandes}, journal = {Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg} }