@misc{Avdonin_Sergei_Ingham-type,
 author={Avdonin, Sergei and Moran, William},
 howpublished={online},
 publisher={Zielona Góra: Uniwersytet Zielonogórski},
 language={eng},
 type={artykuł},
 title={Ingham-type inequalities and Riesz bases of divided differences},
 keywords={simultaneous controllability, string equation, beam equation, Riesz bases, divided differences},
}