@article{zu225786,
          number = {5},
           month = {????????},
          author = {?. ?. ??????????},
           title = {???????????? ???????????? ??? ? ??????? ???????????},
       publisher = {???-?? ?.?.??????, ???????},
         journal = {?.?.},
           pages = {269--273},
            year = {2017},
             url = {http://eprints.zu.edu.ua/25786/}
}