????? ?????? ??? ??? ??????? ??? ???? ????? ????? ??? ????? ?????? ???? ????? ????????. ???? ??? ???? ??????? ????????? ? ???? ????? ??? ????? ???? ??????. ???? ?????? ??????? 1973 ???? ??? ????????? ?? ?????? ?? ?????? 1973? ??? ???? ??????? ????? ?? ????? ?? ??????? ??? ?????? pdf ???????. ??? ??? ????? ????? ?? ??? ??????? ???????.