00488     2200181   4500001002100000005001500021035002000036008004100056245006100097100002000158260002600178300003000204020001500234084001800249082001200267650001300279990001400292INLIS00000000000080620260227084051  a0010-0317000804260227                           0      1 aApplied partial differential equations /cDonald W. Trim1 aTrim, Donald W.  bPWS Publishing,c1990  axv, 483 [19]hlm. ;c24 cm  a0534921345  a515.353 Tri a  a515.353  aKALKULUS  a120296412