@article{zu232811,
           title = {???????????? ????????? Stem-?????? ??? ???????? ????????},
          author = {?. ?. ????? and ?. ?. ??????????????},
       publisher = {?? "????-??????"},
            year = {2021},
           pages = {445--448},
         journal = {?????????? ??????????? ? 2021},
             url = {http://eprints.zu.edu.ua/32811/}
}