00490 2200181 4500001002100000008003900021035002000060245006300080100001600143260003200159300002600191020001500217084001400232082000800246650002600254990001400280990001400294INLIS000000000001477 N  a0010-0317001475 aBoundary value problems and partial differential equations aHumi, Mayer bPWS - Kent Publishingc1992 ax, 337 [5]hlm.c24 cm a0534928803 a510 Hum b a510 apersamaan diferensial a300143796 a300098896