??????? ?????? ??? ???? ?????. ??????? ???? ?????. {???????? ?? ??? ???? ?????. ??? ???? ?? ?? ???? ??????? ??? ?????? ??? ??? ????????. ??? ??? ???? ????? ???? ??????? ????? ?????? . ???? ?????? ????? ????? ?????? . {??? ??? ?????? ???? ???? ???? ???? ??? ??? 1978 ????? ?? ???? ???????? ? ?