@misc{Wierzbicki_T._Improved_1971,
 author={Wierzbicki, T.},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 journal={Archives of Mechanics},
 howpublished={online},
 year={1971},
 publisher={Polish Scientific Publishers IFTR},
 language={eng},
 language={pol},
 language={rus},
 language={fre},
 type={Text},
 title={Improved lower bound theorem for impulsively loaded continua},
 keywords={Mechanika stosowana - czasopisma [KABA]},
}