{??? a 3-issue ?????? ??????????????? ??????? to the Fisher-????????????????????????????? |?????1% ???????{??|??|???|??|?????|????{??|??????|????? 1 ???| |????? 1 ?|???? 1 ?|???? 1 ?|???? 1 ?|???? 1 ?|????????????? — ????????????????????????????? |??? ?? ????? ???? ??????????? ???????????????????{??|???|????|???????????????????????? ?? ?????” ?