@article{zu212564,
           title = {????? ? ?????? ????????????? ???????? ???????? ???????? ? ???????? ?.?. ??????????????},
          author = {?. ?. ????????},
       publisher = {???-?? ??? ??. ?. ??????},
            year = {2013},
           pages = {137--143},
         journal = {??????????? ???????????? ????????? ? ????????? ?????? ??????????????},
             url = {http://eprints.zu.edu.ua/12564/}
}