@article{zu222060,
          number = {11},
           title = {???????????????????? ?????????? ????????????? ??????? ? ?????? ???????? ??? - ?? ??????? ?? ??.},
          author = {?. ?. ??????-???????},
       publisher = {???????:  ??????????? ??? ??. ?. ?????????????},
            year = {2008},
           pages = {259--262},
         journal = {??????????? ???????: ??????? ???????? ?????},
             url = {http://eprints.zu.edu.ua/22060/}
}