@article{zu22831,
          number = {4-5},
           title = {???????? ?????????? ?????????? ? ??????????? ?????? ??????????? ???????????},
          author = {?. ?. ??????},
            year = {2007},
           pages = {118--121},
         journal = {????? ? ??????. ????????-?????????? ?????? ?????????? ????????? ?????? ??? ???????},
             url = {http://eprints.zu.edu.ua/2831/}
}