@article{zu230955,
          volume = {3},
          number = {21},
          author = {?. ?. ????????},
           title = {?????????? ?????? ????????? ?? ????? ?????????? ????? ??????????? ??????????????? ???????? ?????????????? ????????},
       publisher = {?? ????????????????? ???????-????????? ???????? ????????? ?? ??????????},
         journal = {??????????? ??????????},
           pages = {28--31},
            year = {2020},
             url = {http://eprints.zu.edu.ua/30955/}
}