@article{zu217668,
           title = {????? ? ????????? ????????????? ?. ???????? (???????????? ?-?.)},
          author = {?. ?. ????? and ?. ?. ??? and ?. ?. ?????},
            year = {2015},
         journal = {???????? ??????},
        keywords = {????????????, ????????, ???????????, ???????, ?????? ???????, ????????????????? ??????},
             url = {http://eprints.zu.edu.ua/17668/}
}