Q<chr_abbr type="reg" class="dc" expan="ui" cert="no">apost</chr_abbr> dunepart .<chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> dau<chr_abbr type="reg" class="sc" expan="tre" cert="no">t-e</chr_abbr> au ma<chr_abbr type="reg" class="dc" expan="in" cert="no">i-hbar</chr_abbr><chr_var letter="s" var="long">∫</chr_var>. 