T a<chr_abbr type="" class="" expan="" cert="no">[apost]</chr_abbr>t <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> uient cie<chr_var letter="s" var="long">∫</chr_var> le<chr_var letter="s" var="long">∫</chr_var>ene<chr_var letter="s" var="long">∫</chr_var>cal 