@misc{Balcerzak_Bogdan._Linear,
 author={Balcerzak, Bogdan.},
 howpublished={online},
 publisher={Wydawnictwo Politechniki Łódzkiej},
 language={eng},
 type={monografia PŁ},
 type={dokument elektroniczny},
 title={Linear connections and secondary characteristic classes of Lie algebroids},
}