@article{zu25939,
          volume = {12},
           title = {??????? ???? ???????? ?? ??????????? (??? ? ???? ??)},
          author = {???? ???????},
       publisher = {????: ???, ???? ????????},
            year = {2003},
           pages = {193--197},
         journal = {???? ??????????? ???'???? ????????? ???? ? ???????},
             url = {http://eprints.zu.edu.ua/5939/}
}