00369nam a2200145Ia 4500003000500000008004100005020001800046040001900064082000700083100002100090245006500111260002700176300000800203546001200211STCL181203s9999    xx            000 0 und d  a9780123747198  aSTCLbENcSTCL  222  aPowers, David L. 0aBoundary Value Problems:  And Partial Differential Equations  bElsevieraLondonc2010  a506  aEnglish