T ant <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> meinz de<chr_var letter="s" var="long">∫</chr_var> au<chr_abbr type="reg" class="sc" expan="tre" cert="no">t-e</chr_abbr><chr_var letter="s" var="long">∫</chr_var> i tuent. 