C artrop e<chr_var letter="s" var="long">∫</chr_var>toit la c<chr_abbr type="reg" class="dc" expan="an" cert="no">a-hbar</chr_abbr>b<chr_abbr type="reg" class="dc" expan="er" cert="no">[apost]</chr_abbr> <chr_abbr type="reg" class="dc" expan="" cert="no">p-hbar</chr_abbr><chr_var letter="s" var="long">∫</chr_var> 