Q<chr_abbr type="reg" class="dc" expan="ui" cert="no">apost</chr_abbr> en <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr>lcon<chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr><chr_var letter="s" var="long">∫</chr_var> lieu kil fu<chr_var letter="s" var="long">∫</chr_var>t 