<chr_abbr type="reg" class="dc" expan="Que" cert="no">Q-hbar</chr_abbr> il <chr_abbr type="frq" class="ss" expan="est" cert="no">est</chr_abbr> du<chr_var letter="s" var="long">∫</chr_var>q<chr_abbr type="reg" class="dc" expan="ui" cert="no">apost</chr_abbr><chr_var letter="s" var="long">∫</chr_var> ca uenu<chr_var letter="s" var="long">∫</chr_var> 