@inproceedings{zu228249,
       booktitle = {????????? ??????? ????????  ???????????},
           title = {??????? ????'?????? ?????????? ? ?????????????? ???????????},
          author = {?. ?. ??????? and ?. ?. ????????},
            year = {2018},
           pages = {189--192},
             url = {http://eprints.zu.edu.ua/28249/}
}