@article{zu26168,
          volume = {?},
          number = {13},
          author = {?. ?. ????? and ?. ?. ???????????},
           title = {????????? ???????? ?? ?????????? ????? ????????? ??????'? ????? 20-30 ?????},
       publisher = {?????},
         journal = {?????? ????????? ????? ???????},
           pages = {106--111},
            year = {2008},
             url = {http://eprints.zu.edu.ua/6168/}
}