00372    a2200133   4500020001500000082001500015100001600030245005400046260005400100300002500154650002600179700001600205700001700221  a0521658195  a515.1bRIL  aRiley, K.F.  aMathematical methodsbfor physics and engineering  aCambridgebCambridge University Pressc1998g1998  axxiii, 1008p.c24cm.  aMathematical analysis  aBence, S.J.  aHobson, M.P.