@misc{Jurczyńska_Anna_An,
 author={Jurczyńska Anna and Szmidla Janusz},
 howpublished={online},
 publisher={Wydaw. Politechniki Częstochowskiej},
 language={eng},
 type={artykuł},
 title={An influence of the Winkler elastic foundation of a geometrically nonlinear column loaded by force directed towards the positive pole on a type of system},
 keywords={slender system, Winkler elastic foundation, stability, free vibrations},
}