C il <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> tu demande<chr_var letter="s" var="long">∫</chr_var> .<chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> <chr_abbr type="reg" class="dc" expan="qui" cert="no">q-vbar</chr_abbr>erz. 