@ARTICLE{Rybytska_O._An_2014,
 author={Rybytska, O. and Vovk, M.},
 number={No 2},
 journal={ECONTECHMOD},
 howpublished={online},
 year={2014},
 publisher={Polish Academy of Sciences Branch in Lublin},
 publisher={Lviv Polytechnic National University},
 publisher={Foundry Research Institute in Cracow},
 title={An application of the fuzzy set theory and fuzzy logicto the problem of predicting the value of goods rests},
}