@article{zu225678,
          number = {5},
           month = {????????},
          author = {?. ?. ????????},
           title = {????????????? ???????? - ??????? E-Olymp ??? ?????????? ? ?????????? ?? ????????????????},
       publisher = {???-?? ?.?.??????, ???????},
         journal = {????????? ??????? ???????? ???????????},
           pages = {11--13},
            year = {2017},
             url = {http://eprints.zu.edu.ua/25678/}
}