@misc{Ingarden_Roman_Stanisław_(1920-_)_On,
 author={Ingarden, Roman Stanisław (1920- )},
 copyright={Ingarden, Roman Stanisław},
 address={Warszawa},
 howpublished={online},
 publisher={PWN},
 language={eng},
 type={nadbitka},
 title={On a generalisation of the Heisenberg Uncertainty Principle},
}