00323nam a2200121Ia 4500082001800000100001500018245006100033260002800094300001600122490005300138500000500191700000500196  a512.7bJ96.LM  aJutile, M.  aLectures on a method in the theory of exponential sumsb  aNew DelhibNarosac1987  aviii, 134p.  aTIFR lectures on Mathematics and Physicsv v. 80  a  a