@article{zu26748,
          number = {1-2},
           title = {????????? ??????? ??? ?. ??????? ?? ???????????},
          author = {?. ?. ????????????},
            year = {2011},
           pages = {184--189},
         journal = {????????? ???????},
             url = {http://eprints.zu.edu.ua/6748/}
}