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

??????? ????? ?????? ??? ??????? ?????? ????????? ?????????? ?????? ??????? ????? ???????? ??????? ?? ??????? ??????? ??????????? ??? ??? ????? ???? ???????? ???????? ????? ???? ??????? ?? ????? ???????????? ??? ???? ??????? ??????? ????????? ?????? ?????? ?????? ?????? ??? (?????? ??? -??)? ??????