@misc{Djukic_Dj.S._On_1975,
 author={Djukic, Dj.S.},
 volume={27},
 number={4},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 journal={Archives of Mechanics},
 howpublished={online},
 year={1975},
 publisher={Polish Scientific Publishers IFTR},
 language={eng},
 language={pol},
 language={rus},
 title={On the invariance of Hamilton's function},
 type={Text},
 URL={http://www.rcin.org.pl/Content/138586/PDF/WA727_93113_P.262b-Djukic-Invariance.pdf},
 keywords={Mechanika stosowana - czasopisma [KABA]},
}