@article{Pukach_P._Influence_2013, author={Pukach, P. and Kuzio, I. and Nytrebych, Z.}, number={No 4}, howpublished={online}, journal={ECONTECHMOD}, year={2013}, publisher={Lviv Polytechnic National University}, publisher={Foundry Research Institute in Cracow}, publisher={Polish Academy of Sciences Branch in Lublin}, title={Influence of some speed parameters on the dynamicsof nonlinear flexural vibrations of a drill column}, }