00504     2200169   4500001002100000008003900021035002000060245010000080100002100180250001100201260003700212300002500249084001800274082001200292650001600304990001400320INLIS000000000007019                                   I    a0010-0317007017  aNumerical methods for partial differential equations : Computer science and applied mathematics  aAmes, William F.  a2nd ed  aNew York :bAcademic Pressc1977  axiv, 365 hlm.c24 cm  a515.353 Ame n  a515.353  aMATHEMATICS  a300311991