00314nam a2200121Ia 4500082002000000100002100020245003700041260004900078300001500127490004000142500000500182700000500187  a530.1bSp742.GF  aSpeer, Eugene R.  aGeneralized Feynman amplitudesb  aNew JerseybPrinceton University Pressc1969  a120. Bibl.  aAnnals of Mathematics studies v 62  a  a