@article{zu229470,
           title = {????? ????????? ???????? ?? ?????? ?????????????? ? ?????},
          author = {?. ?. ?????? and ?. ?. ??????},
            year = {2019},
           pages = {267--268},
         journal = {?????????? ???????????-2019},
             url = {http://eprints.zu.edu.ua/29470/}
}