@article{zu220147,
          number = {6},
           title = {?????????????-????????? ????? ????'???????? ??????? ?? ?? ?????? ? ??????????},
          author = {?????? ?????????? and ?. ?. ???????????},
            year = {2013},
           pages = {140--142},
         journal = {???????? ????? ??????? ???????????: ??????? ???????? ????? ?????????, ???????????? ?? ?????????? / ?? ???. ?. ?. ???????},
             url = {http://eprints.zu.edu.ua/20147/}
}