@book{zu221920,
           title = {??????? ????????: ?????? ?? ???????? ???????????},
          author = {?. ?. ???????? and ?. ?. ???????? and ?. ?. ?????? and ?. ?. ?????????},
       publisher = {??? ??. ?. ??????},
            year = {2016},
        keywords = {??????? ????????, ????????-??????? ????????, ????????? ??????????????, ????????? ??????????, ????????????, ??????? ????????},
             url = {http://eprints.zu.edu.ua/21920/}
}