L or<chr_var letter="s" var="long">∫</chr_var> v<chr_abbr type="reg" class="dc" expan="ont" cert="no">ot-hbar</chr_abbr> tant <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> il vien<chr_abbr type="reg" class="dc" expan="ent" cert="no">et-hbar</chr_abbr> pre<chr_var letter="s" var="long">∫</chr_var> 