00309nam a2200121Ia 45000030006000000080041000060400015000471000037000622450035000992600024001345460012001580050017001700STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aPhoolan Prasad; Renuka Ravindran  aPartial differential equations  bWiley Easternc1991  aEnglish20220125165942.0