00000nam a2200000 a 4500 20251203110109.0 0130749230 515.353 LAM Chung-Yau Lam _ Applied numerical methods for partial differential equations an introduction with spreadsheet programs Singapore Nanyang technological University Partial differential equations _ 90678 LIBSC C 77690 77690 0 0 0 0 PU PU 1999-04-12 0 515.353 LAM 90678 BK