@article{zu233725,
           title = {?????????? ??????????? ???????? ?. ???????},
          author = {?. ?. ????????? and ?. ?. ????????? and ?. ?. ??????????},
       publisher = {?????},
            year = {2021},
           pages = {137--141},
         journal = {?????????? ???????: ???????? ?? ?????? ????????? ????????},
             url = {http://eprints.zu.edu.ua/33725/}
}