@article{zu212448,
           title = {?????? ????????? ????? ??????????},
          author = {?. ?. ????????},
       publisher = {??? ?????????},
            year = {2012},
           pages = {218--221},
         journal = {????????? ?????? ?????????? ??????????? ????????????? ????????? ??????? ? ???????? ???????? ???????},
             url = {http://eprints.zu.edu.ua/12448/}
}