@book{zu231135,
          number = {6},
          editor = {?. ?. ?????? and ?. ?. ?????????????},
           title = {Semper tiro. ???????????? ???????-???????????? ???????},
          author = {?. ?. ??????????},
       publisher = {??? ????? ????? ??????},
            year = {2017},
             url = {http://eprints.zu.edu.ua/31135/}
}