00622nam a2200193 a 450000500170000002000150001708200210003210000160005324500530006926000510012230000180017349000530019169000450024470000150028996400250030499700180032999900150034795200660036220251203090445.0  a0582994551  a515.35,bDD, Par  aparis, R.B.  aAsymptotics of high order differential equations  aNew YorkbLongman Scientific & technicalc1986  a344p., 23 cm.  aPitman research notes in mathematics seriesd129  aDifferential equations-Asymptotic theory  aWood, A.D.  bEngc100de010fg_  a19496 LIBSC C  c8228d8228  00104070aPUbPUd1998-04-08l0o515.35, DD, Parp19496yBK