@article{zu231480,
           title = {???????????? ???????? ??????? ???????????????},
          author = {?. ?. ????????},
       publisher = {??-? ??.?. ??????????},
            year = {2020},
           pages = {137--141},
         journal = {???????????? ??????????? ? ?????????? ? ??????????? ??????},
             url = {http://eprints.zu.edu.ua/31480/}
}