?????? ?? ???? ???????? pdf ?? ??????????? ??????????? ??????? ???? ????????? ??? ????? ?????? ???????? ??????? ?????? ??? ????? ???????? ? ???? ??????????? ????? ??? ??? ?????? ??? ?? ???? ??? ?? ???? (????? ?????) ?? ???? ???? ??????? ???? ????, ??? ???% ??????? ??, ???? ??????? ??????? ????? ?? ??? ?????? ?????? ????? ????? ???????? ?: ???? ????