@book{zu231331,
          editor = {?????? ??????????? and ???? ?????? and ?. ?. ?????????? and ?????? ?????? and ?. ?. ?????? and ?. ?. ?????},
           title = {??????????? ????????? ??????. ?????? 9},
       publisher = {???. ?.?. ??????},
            year = {2020},
             url = {http://eprints.zu.edu.ua/31331/}
}