@article{zu223848,
          number = {4},
           title = {????????? ??????? ? ????????? ???????? ??????? ???? ? ??????????? ?????},
          author = {?. ?. ??????????},
            year = {2011},
           pages = {113--117},
         journal = {??????? ??????? ??????????? ?????????? ????????????? ???????????? ????? ??????? ?????????????. ????? :  ????????? (????????????).},
             url = {http://eprints.zu.edu.ua/23848/}
}