@article{zu216636,
           title = {???? ?? ?? ???? ?????? ?????????},
          author = {?????? ?????},
       publisher = {???-?? ????????????? ?????????? ???????????? ????? ????? ??????, 2014},
            year = {2014},
           pages = {21--23},
         journal = {????????? ???????? ?????????? ?????},
             url = {http://eprints.zu.edu.ua/16636/}
}