??? ????? ??? ??? ??????? ??? ???? ????? ????? ??? ????? ?????? ???? ??????? . ???? ??? ?? ??? ???????? ??????? ???? ??? ???????? ????? ???? ?????. ???? ?????? ??????? 1973 ???? ??? ????????? ?? ??? ????? ????? ?? ??? 1973? ??? ???? ????? ???? ??? ?????? ? ??????? ???????. ??? ??? ????? ????? ?? ??? ??????? ?????????. ???? ??? ???????