@ARTICLE{Czopek_Kazimierz_Optimization_2001, author={Czopek, Kazimierz}, number={No 2}, journal={Archives of Mining Sciences}, pages={189-198}, howpublished={online}, year={2001}, publisher={Committee of Mining PAS}, type={Article}, title={Optimization of the modernization of the technological system in a mine by means application of a multiplicative function}, URL={http://journals.pan.pl/Content/132247/PDF-MASTER/8_MINING_46_2_2001_Czopek_OPTIMIZATION.pdf}, }