@article{zu213044,
          number = {53},
           month = {???????},
          author = {?. ?. ??????},
           title = {????????? ???????????????? ????????},
       publisher = {????  ????},
         journal = {??????? ????? ????????????? ???????????? ???????? ??????????},
           pages = {186--194},
            year = {2013},
        keywords = {?????????, ??????????????? ???????.},
             url = {http://eprints.zu.edu.ua/13044/}
}