@article{zu26890,
           title = {?? ????? ?????? ????????????? ??????? ??????????? ??????????},
          author = {?????? ????????},
       publisher = {??? ????? ?.??????},
            year = {2008},
           pages = {55--68},
         journal = {???????????????? ??????. ?????? 2.},
             url = {http://eprints.zu.edu.ua/6890/}
}