@article{zu230414,
          number = {90},
           title = {??????????? ?????????????? ?? ???????? ???????????????? ???????????? ??????????? um + zu + ?????????},
          author = {?. ?. ?????????},
       publisher = {???????????? ????????? ??????????? ????? ????? ??????},
            year = {2019},
           pages = {76--81},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????. ??????????? ?????},
             url = {http://eprints.zu.edu.ua/30414/}
}