@misc{Szemplińska-Stupnicka_Wanda_The_1986,
 author={Szemplińska-Stupnicka, Wanda and Bajkowski, Józef},
 copyright={Rights Reserved - Free Access},
 address={Warszawa},
 journal={Prace IPPT IFTR REPORTS},
 howpublished={online},
 year={1986},
 publisher={Instytut Podstawowych Problemów Techniki Polskiej Akademii Nauk},
 language={eng},
 title={The 1/2 subharmonic resonance and its transition to chaotic motion in a nonlinear oscillator},
 type={Text},
 URL={http://rcin.org.pl/Content/5783/PDF/WA727_8297_56871-4-1986_The-1-2-subharmonic.pdf},
 keywords={Rezonans, Drgania - teoria},
}