Q<chr_abbr type="reg" class="dc" expan="ui" cert="no">apost</chr_abbr> porqan<chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> coeur<chr_abbr type="reg" class="dc" expan="ent" cert="no">et-hbar</chr_abbr> le<chr_var letter="s" var="long">∫</chr_var> nue<chr_var letter="s" var="long">∫</chr_var> 