@misc{Ingarden_Roman_Stanisław_(1920-_)_Information,
 author={Ingarden, Roman Stanisław (1920- )},
 copyright={Ingarden, Roman Stanisław},
 address={Warszawa},
 howpublished={online},
 publisher={PWN},
 language={eng},
 type={nadbitka},
 title={Information theory and variational principles in statistical theories},
}