@article{zu26900,
           title = {???? ?? ???????? ?????},
          author = {?????? ??????},
       publisher = {??? ????? ?.??????},
            year = {2009},
           pages = {72--80},
         journal = {???????????????? ??????. ?????? 3.},
             url = {http://eprints.zu.edu.ua/6900/}
}