@ARTICLE{Yeroshin_Sergey_IMPROVING_2011,
 author={Yeroshin, Sergey and Miroshnik, Sergey},
 number={No 11a},
 journal={Teka Commission of Motorization and Power Industry in Agriculture},
 howpublished={online},
 year={2011},
 publisher={The Lublin Branch of the Polish Academy of Sciences},
 title={IMPROVING THE STABILITY OF ROTATION RING ROTOR WITHOUT MECHANICAL SUPPORTS},
 URL={http://journals.pan.pl/Content/91622/mainfile.pdf},
}