@article{Lytvyn_V._Definition_2013, author={Lytvyn, V. and Moroz, O. and Semotuyk, O.}, 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={Definition of the semantic metrics on the basisof thesaurus of subject area}, }