@article{zu213177,
          number = {4},
           title = {?????????? ??????????? ?????????????? ??????? (???????? ????????-????????????? ????????????)},
          author = {?. ?. ???????????},
            year = {2004},
           pages = {137--146},
         journal = {?????? ?????????? ???????????? ????????????.},
             url = {http://eprints.zu.edu.ua/13177/}
}