@article{zu211411,
          number = {1},
           title = {?????????????  ???????  ??????????  ?????  ???????? ??????  ?  ????????  ?. ?. ?. ???????  ??????
},
          author = {???? ???????? and ?. ?. ?????},
       publisher = {??????? "???????"},
            year = {2013},
           pages = {50--56},
         journal = {???????},
             url = {http://eprints.zu.edu.ua/11411/},
        abstract = {
??????????? ???????? ?????? ????????? ??????, ?? ???????????? ? ????????. ???????? ????? ?? ???????, ??? ?????????????? ?????????? ???? ??????.
}
}