@article{zu227028,
          number = {9},
           month = {????????},
           title = {????????? ???????? ??? ???????? ???? ???????????? ???????? ? 6 ?????},
          author = {?. ?. ??????},
            year = {2018},
           pages = {168--171},
         journal = {??????? ???????????? ?????????? ? ?????? ? ?????},
             url = {http://eprints.zu.edu.ua/27028/}
}