@article{zu214470,
           title = {???????-???????? ?????? ?? ???? ?????????? ??????? ??????????? ??????????? ???????},
          author = {?. ?. ????????},
       publisher = {??????},
            year = {2001},
           pages = {468--474},
         journal = {????????? ???????? ??????????? ????????:},
             url = {http://eprints.zu.edu.ua/14470/}
}