@article{zu231370,
           title = {??????????? ?????? ????????? ???????????? ?? ?????????????? ??????? ??????-???????? ??????? ????????},
          author = {?. ?. ?????? and ?. ?. ?????? and ?. ?. ????????},
       publisher = {????????? ???????????? ???????????},
            year = {2020},
           pages = {160--162},
         journal = {????? ? ??????? ?????????? ?? ?????????? ?? ???????????????},
             url = {http://eprints.zu.edu.ua/31370/},
        abstract = {????????? ??????????? ?????????????? ??????-???????? ??????? ? ???????? ????????? ????? ????? ????? ??????????? ???????-???????? ??????? ?? ???????????? ??????????? [2]
???? ????? ??????????? ???? ???????? ?????? ????????? ???????????? ?? ????????? ?????????????? ??????? ??????-???????? ???????.
?? ?????? ???????????? ??????? ???????? ??????? ????? 4-?? ?????? ??? ???????? ? ????????, ???????? ???????? ????? ? ???????? ????????? ????? ????????? ??????, ? ????? ???????????? ?? ????? ? ??????? ?????? ???????? ??????. ??????? ??? ??????? ??? 18.01.2007 ?13 ??????????? ??????????? ?????? ?? ?????????? ????????? ??? ?????? [3], ?? ???? ??????????? ?? ??????????? ?????? ??? ???????? ? ????? ????? ?? ???????? ?????????, ??? ???? ???????? ??? ?????, ?? ??????? ???????????? ?????????? ??????????? ????: 1-2 ????? - 1,5 - 2,0 ??; 3-4 ????? - 2,0 - 2,3 ??; 5-6 ????? - 2,3 - 3,0 ??; 7-8 ????? - 3,0 - 3,5 ??; 9-10 (11) ????? - 3,5 - 4,5 ??.}
}