@article{zu28642,
          number = {63},
           title = {????? ?? ?????? ??????????? ????????},
          author = {?. ?. ???????},
       publisher = {???-?? ??? ??. ?. ??????, ???????.},
            year = {2012},
           pages = {??. 87--90},
         journal = {?????? ????????????? ?????????? ????????????},
             url = {http://eprints.zu.edu.ua/8642/},
        abstract = {? ?????? ?????????????? ??????? ?????????? ?? ???????? ????????? ???????, ???? ????? ?
???????????, ??????? ???? ????? ? ??????? ?????????? ??????????? ?? ?????? ?????? ???????????
???????? ?????. ?????????????? ???????, ??? ???? ????????????? ????? ?? ?????????? ????? ?????????
?????????? ????????? ???????; ?????????? ?????????, ??? ?????????? ????????? ????? ?? ? ?????? ??
?????????? ???????????? ????????? ???????? ?????; ????????? ?? ???????????????? ??????? ???????,
?? ????????? ???? ????? ?????????? ????????? ?????. ?????????, ?? ????? ?????? ??????????, ?
????? ???? ??????????, ????? ? ???????????, ????? ?????? ?????? ????? ?? ????? ?? ???? ? ?? ????,
???????? ?? ?????, ????????? ???????? ?? ???????? ???????????, ???, ? ???? ?????, ? ??????????????.}
}