{“???????????????? ??????? ???????? ?????; ??????? ?????? ?????????? ?????? ??????? ???? ??? ???????? ?????? ??????? ????? ?????? ????? ????? ?????? ?????? ??? ????????? ???? ????? ?????? ?????? ?????????” Robert Henley{??????????? ????????? ??????????? ?????? ??? ????????? ???????????? ?????????, ?????????? ?????? ??????? supply ??? provide ?