00362nam a2200145Ia 4500003000500000008004100005020001800046040001900064082000700083100002000090245004700110260003900157300000800196546001200204STCL181203s9999    xx            000 0 und d  a9780486498768  aSTCLbENcSTCL  222  aSneddon, Ian N. 0aElements of Partial Differential Equations  bDover PublicationsaNew Yorkc2006  a327  aEnglish