? ??????????, ????? ?????????? ???????? – ??? ??????????? ??????? ??? ???????????? ????????. ??? ?????????? ? ???? ???????? ??????????, ???????? ??????? ? ?????????? ??????????, ??? ???? ?? ??????????? ??????????? ???????? ??? ????????????????, ??????? ????? ??????? ??????-????? ? ????????? ???????.Solution Authenticity: The foremost problem is t