@article{zu25880,
          volume = {2},
          number = {67},
          author = {?. ?. ?????? and ?. ?. ?????????},
           title = {???????? ????????????? ????? ??????????? ???? ???????? ????????? ?????????},
       publisher = {???????? ???????????? ?????????? ? ?????? ?????? ???????????? ?????? ? ?????, ?????? ?? ?????? ???????, ???????? ???????????? ??????????????? ? ?????????? ??????????. ????-???????},
         journal = {???? ??????? ?????????? ????????. ??????? ???????? ?????},
           pages = {180--183},
            year = {2011},
        keywords = {????????????? ?????, ???????? ????? ??????????? ????},
             url = {http://eprints.zu.edu.ua/5880/},
        abstract = {? ?????? ?????????? ??????????? ???????? ????????????? ????? ??????????? ???? ???????? ????????? ?????????.}
}