@techreport{zu230894,
            type = {????????? ????},
           title = {???????? ???? ?? ??????? ????????????? ????????????????? ?????? ?????????? ?????????? ???????? ??????},
          author = {?. ?. ????? and ?. ?. ????????},
       publisher = {???. ?. ?. ??????},
            year = {2020},
             url = {http://eprints.zu.edu.ua/30894/}
}