00503cam a22001334a 4500020002100000020002400021082001700045100002000062245004800082260004400130300003400174500001900208650014200227  a0486452972 (pbk)  a9780486452975 (pbk)00a515.353bSNE1 aSneddon, Ian N.10aElements of partial differential equations   aNew YorkbDover Publications, Incc2006  avii, 327 p.b: ill.c; 20 cm.  aIncludes index 0aPartial equationsaMathematics vNonlinear equations vLaplaces equationsvIntegral surfacesvBoundary valuesvWave equationvRICASvFBSH