@article{zu234397,
           title = {?????????? ????????????? ????? ??????????? ? ?????? ??????????
? ???????? ??????? ??????},
          author = {?. ?. ??????????? and ?. ?. ????????},
       publisher = {Springer US},
            year = {2022},
         journal = {Ukrainian Mathematical Journal},
             url = {http://eprints.zu.edu.ua/34397/},
        abstract = {?????????? ???????????? ? ?????????????, ??? ????????????? ????? ????? ??????????? ?????? ????? ??????. ? ????????, ???? ??????? ?????????? ??????????? ??? ?????? ?????? ????, ??????????? ??????? ? ??????????, ? ?????????, ??? ?????????? ?? ??????????? ?????? ????? ??????, ? ???????????, ????????, ?? ???'? ???????? ??????????? ? ????? ?????? ?????????? ? ?????????? ???????????? ? ????????? ???????? ???????}
}