@article{zu233728,
          number = {52-53},
           title = {????????? ?????? ????????? ????? ?? ???????? ????????????? ???????????? ?????? ?? ???????????? ??????????? ???????????},
          author = {?. ?. ??????},
       publisher = {??? ?????},
            year = {2019},
           pages = {60--64},
         journal = {???????-?????????? ?????? ??????????? ???????},
             url = {http://eprints.zu.edu.ua/33728/}
}