@misc{Turán_Pál_(1910–1976)_On_1952,
 author={Turán, Pál (1910–1976)},
 editor={Polskie Towarzystwo Matematyczne},
 copyright={Rights Reserved - Restricted Access},
 address={Cracov},
 howpublished={online},
 year={1952},
 publisher={[s.n.]},
 language={eng},
 language={eng},
 type={Text},
 title={On a trigonometrical sum},
}