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