@misc{Mannoury_Gerrit_(1867–1956)_Methodologisches_1909,
 author={Mannoury, Gerrit (1867–1956)},
 copyright={Rights Reserved - Restricted Access},
 address={Haarlem},
 howpublished={online},
 year={1909},
 publisher={P. Visser},
 language={ger},
 language={ger},
 title={Methodologisches und Philosophisches zur Elementar-Mathematik},
 type={Text},
}