????? ??? ?????? ??????? ????? ??? ????? ????? ????? ???? ?-???? . ????? ??????? ????? ??????? ?????? ??? ???? ????? , ?? ????? ????? ???? ??????? ?????????? . ???? ?? ??? ?????? ??? ??? ????? ????? ???? ???? ???? ????? ????? ????? ?????? ???? ??? ???? ????? . ????? ?????? ?? ???? ????? ???? ???? ???? ???? ???????? . ????? ???? PDF ?