?????? ????? ??? ??? ?????? ??? ????? ???? ??????? ?? ?????? ??? ???? ?????? ?????? ??? ??? ?????. ??? ???? ??? ??? ?????? ??? ????? ??? ????? ?????? ?? ?????? ?????? ??, ?????? ??? ????? ???? ?????? ??? ???? ??? ????? ?? ?? ????. Even so, I struggle to view why it is helpful to convey the AR (1)