00282nam a2200121Ia 4500082001900000100002100019245001800040260003500058300001600093490004100109500000500150700000500155  a515.1bG478.IN  aGillespie, R. P.  aIntegrationb  aEdinburghbOliver & Boydc1963  aviii, 132p.  aUniversity Mathematical textsv v. 7  a  a