@misc{Qin_Yuyuan_On,
 author={Qin Yuyuan},
 howpublished={online},
 publisher={Wydawnictwo Politechniki Śląskiej},
 language={eng},
 title={On jar-metric principle a unified approarch to solve optimum paths problems on multistage directed graph},
 type={artykuł},
 keywords={Politechnika Śląska, automatyka},
}