D ile no<chr_var letter="s" var="long">∫</chr_var> nain<chr_var letter="s" var="long">∫</chr_var> <chr_abbr type="reg" class="dc" expan="qui" cert="no">q-vbar</chr_abbr> le <chr_abbr type="reg" class="sc" expan="tra" cert="no">t-alpha</chr_abbr>ine<chr_var letter="s" var="long">∫</chr_var>. 