00265nam a2200109Ia 4500082001900000100002000019245005600039260003500095300001500130500000500145700000500150  a515.5bOl52.IA  aOlver, F. W. J.  aIntroduction to asymptotics and special functionsb  aNew YorkbAcademic Pressc1974  axii, 297p.  a  a