L or<chr_var letter="s" var="long">∫</chr_var> de<chr_var letter="s" var="long">∫</chr_var>cendent. <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> au de<chr_var letter="s" var="long">∫</chr_var>c<chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr>dre. 