@ARTICLE{Bondarenko_Olexander_Varying_2013,
 author={Bondarenko, Olexander and Boyko, Anatoliy},
 number={No 1},
 journal={Teka Commission of Motorization and Power Industry in Agriculture},
 howpublished={online},
 year={2013},
 publisher={The Lublin Branch of the Polish Academy of Sciences},
 title={Varying of reliability indexes in passively reserved difficult technical systems},
}