@article{zu233047,
           title = {???????????? ?????????????? ??????? ?????? ?????? ??? ?????????? ????????},
          author = {?. ?. ????????? and ?. ?. ??????? and ?. ?. ??????????????},
       publisher = {??"????-??????"},
            year = {2021},
           pages = {421--423},
         journal = {?????????? ??????????? - 2021},
             url = {http://eprints.zu.edu.ua/33047/}
}