00420nam a22001217a 450000500170000000800410001702000150005805000140007310000160008724501290010326000470023230000190027920260608112903.0260608b        |||||||| |||| 00| 0 eng d  a0521203902  aQA401.R54  aRiley, K.F.  aMathematical methods for the physical sciences:ban informal treatment for students of physics and engineering /cK.F. Riley  aNew YorkbCambridge University Pressc1974  axv, 532p.bHbk