@article{zu211864,
          volume = {18},
          number = {3},
          author = {?. ?. ????????},
           title = {??????? ??????? ????????????? ??????? ??????????
???????????? ????????? ?????????? ?????????? ?????},
       publisher = {?????????? ??? "??????????"},
         journal = {?????? ????????? ????????????? ????????????},
           pages = {139--143},
            year = {2013},
             url = {http://eprints.zu.edu.ua/11864/},
        abstract = {? ?????? ???????? ?? ?????????????? ??????? ?????????? ????????????
????????? ?????????? ?????????? ?????, ?? ????????, ?????? ?? ?????
?????????????, ?????????? ??????? ????????? ????? ????????? ??????????.}
}