@article{zu231840,
           title = {?????????? ? ???????? ???????? ?????????? ??????? ??? ?????},
          author = {?. ?. ?????},
       publisher = {??-? ??.?. ??????????},
            year = {2020},
           pages = {213--216},
         journal = {???????????? ??????????? ? ?????????? ? ??????????? ??????},
        keywords = {??????????, ????????? ????????, ?????},
             url = {http://eprints.zu.edu.ua/31840/},
        abstract = {?? ???? ?????, ????? ????????????? ?  ??????? ??????????? ???????? ??? ????? ??????? ?????????????? ?????? ? ??????? ????? ??????? ?????. ?? ???????, c?c???? ?????? - ?? ???? ??????????? ?????. ???? ?????????? ????????? ???????? ??????? ???????????? ??????????? ??????? ????'???????? ??????? ????? ??? ????????? ????????? ??????. ??????????? ???????? ????????  ??c??? ?????? ????? ?????????????? ?????????. ?? ?????? ???? ??????? ??? ???????? ??c???????-????????? ??c????? ????????? ???????.}
}