@article{zu230192,
          volume = {2},
          number = {12},
          author = {?. ?. ????????},
           title = {????????? ?????????? ?? ??????? ???? ???????? ?????????? ???????? ?????????? ??????},
       publisher = {?? ????????????????? ???????-????????? ???????? ????????? ?? ??????????},
         journal = {??????????? ??????????},
           pages = {199--202},
            year = {2019},
             url = {http://eprints.zu.edu.ua/30192/}
}