@article{zu213717,
           title = {????????????? ?????????-??????? ?????? ? ??????????? ??????? ? ????????? ??????????????},
          author = {?. ?. ?????????},
       publisher = {???-?? ??? ????? ????? ??????},
            year = {2011},
           pages = {172--174},
         journal = {?????? ? ???????? ?????????? ????????? ???????? ?? ???????????? ??? : ??. ?????????? ???????????},
             url = {http://eprints.zu.edu.ua/13717/}
}