@article{zu224838,
          number = {4},
           title = {????? ??????? ???????????? ??? ? ??????? ?????????? ??????????????? ?????????},
          author = {????? ???????????},
            year = {2017},
           pages = {69--71},
         journal = {????????? ??????? ???????? ???????????},
             url = {http://eprints.zu.edu.ua/24838/}
}