@article{zu228220,
          volume = {18},
          number = {22},
           title = {????? ??????? ?? ???????? ??????????? ????????????? ????? ????????? ????},
          author = {?. ?. ?????????? and ?. ?. ????????},
            year = {2013},
           pages = {25--33},
         journal = {?????? ??? ??. ?.?. ?????????. ??????????},
             url = {http://eprints.zu.edu.ua/28220/}
}