@article{zu26556,
           title = {???(?) ? ???????????? ???????????-??????????? ???? ? ?????? ?????? ???????? ?????},
          author = {?????? ???????????},
       publisher = {???????: ???-?? ??? ??. ?. ??????},
            year = {2010},
           pages = {20--23},
         journal = {????????? ?????????????? ???????? ??????????? ?????? ??????? ????? ? ??????????? ???????},
             url = {http://eprints.zu.edu.ua/6556/}
}