@misc{Infeld_Leopold_(1898–1968)_Equations_1954,
 author={Infeld, Leopold (1898–1968)},
 volume={2},
 editor={Polska Akademia Nauk.},
 number={4},
 copyright={Rights Reserved - Restricted Access},
 address={Warszawa},
 howpublished={online},
 year={1954},
 publisher={Państ. Wydaw. Nauk.},
 language={eng},
 type={Text},
 title={Equations of Motion and Non-Harmonic Coordinate Conditions},
 keywords={Astronomia -- czasopisma. [KABA], Chemia -- czasopisma. [KABA], Fizyka -- czasopisma. [KABA], Geografia -- czasopisma. [KABA], Geologia -- czasopisma. [KABA], Matematyka -- czasopisma. [KABA]},
}