00352nam a2200121Ia 4500082002000000100001700020245004900037260003500086300002700121490007200148500000500220700000500225  a530.1bSi594.FI  aSimon, Barry  aFunctional integration and quantum physicsb  aNew YorkbAcademic Pressc1979  aix, 296p. Index, Bibl.  aPure and Applied Mathematicsv a series of monographs and textbooks  a  a