@misc{Gutowski_R._A_1972,
 author={Gutowski, R.},
 volume={24},
 number={2},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 journal={Archives of Mechanics},
 howpublished={online},
 year={1972},
 publisher={Polish Scientific Publishers IFTR},
 language={eng},
 language={pol},
 language={rus},
 type={Text},
 title={A method for investigated nonlinear perturbations of motion of a mechanical system and its influence on the properties of solutions of the equations of motion},
 keywords={Mechanika stosowana - czasopisma [KABA]},
}