S i fu <chr_abbr type="reg" class="ml" expan="par" cert="no">par</chr_abbr> une g<chr_abbr type="reg" class="sc" expan="rant" cert="no">nt-alpha</chr_abbr> de<add place="supralinear"><chr_var letter="s" var="long">∫</chr_var></add><chr_var letter="s" var="long">∫</chr_var>erte 